20921457600

素因数分解:

$2^6\times 3^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{4363}}^1$

素因数の和:4434

約数の個数: 420

約数和(自身を含む): 78998550664

約数和(自身を除く): 58077093064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 37, 40, 45, 48, 50, 54, 60, 64, 72, 74, 75, 80, 81, 90, 96, 100, 108, 111, 120, 135, 144, 148, 150, 160, 162, 180, 185, 192, 200, 216, 222, 225, 240, 270, 288, 296, 300, 320, 324, 333, 360, 370, 400, 405, 432, 444, 450, 480, 540, 555, 576, 592, 600, 648, 666, 675, 720, 740, 800, 810, 864, 888, 900, 925, 960, 999, 1080, 1110, 1184, 1200, 1296, 1332, 1350, 1440, 1480, 1600, 1620, 1665, 1728, 1776, 1800, 1850, 1998, 2025, 2160, 2220, 2368, 2400, 2592, 2664, 2700, 2775, 2880, 2960, 2997, 3240, 3330, 3552, 3600, 3700, 3996, 4050, 4320, 4363, 4440, 4800, 4995, 5184, 5328, 5400, 5550, 5920, 5994, 6480, 6660, 7104, 7200, 7400, 7992, 8100, 8325, 8640, 8726, 8880, 9990, 10656, 10800, 11100, 11840, 11988, 12960, 13089, 13320, 14400, 14800, 14985, 15984, 16200, 16650, 17452, 17760, 19980, 21312, 21600, 21815, 22200, 23976, 24975, 25920, 26178, 26640, 29600, 29970, 31968, 32400, 33300, 34904, 35520, 39267, 39960, 43200, 43630, 44400, 47952, 49950, 52356, 53280, 59200, 59940, 63936, 64800, 65445, 66600, 69808, 74925, 78534, 79920, 87260, 88800, 95904, 99900, 104712, 106560, 109075, 117801, 119880, 129600, 130890, 133200, 139616, 149850, 157068, 159840, 161431, 174520, 177600, 191808, 196335, 199800, 209424, 218150, 235602, 239760, 261780, 266400, 279232, 299700, 314136, 319680, 322862, 327225, 349040, 353403, 392670, 399600, 418848, 436300, 471204, 479520, 484293, 523560, 532800, 589005, 599400, 628272, 645724, 654450, 698080, 706806, 785340, 799200, 807155, 837696, 872600, 942408, 959040, 968586, 981675, 1047120, 1178010, 1198800, 1256544, 1291448, 1308900, 1396160, 1413612, 1452879, 1570680, 1598400, 1614310, 1745200, 1767015, 1884816, 1937172, 1963350, 2094240, 2356020, 2397600, 2421465, 2513088, 2582896, 2617800, 2827224, 2905758, 2945025, 3141360, 3228620, 3490400, 3534030, 3769632, 3874344, 3926700, 4035775, 4188480, 4358637, 4712040, 4795200, 4842930, 5165792, 5235600, 5654448, 5811516, 5890050, 6282720, 6457240, 6980800, 7068060, 7264395, 7539264, 7748688, 7853400, 8071550, 8717274, 8835075, 9424080, 9685860, 10331584, 10471200, 11308896, 11623032, 11780100, 12107325, 12565440, 12914480, 13075911, 14136120, 14528790, 15497376, 15706800, 16143100, 17434548, 17670150, 18848160, 19371720, 20942400, 21793185, 22617792, 23246064, 23560200, 24214650, 25828960, 26151822, 28272240, 29057580, 30994752, 31413600, 32286200, 34869096, 35340300, 36321975, 37696320, 38743440, 43586370, 46492128, 47120400, 48429300, 51657920, 52303644, 56544480, 58115160, 62827200, 64572400, 65379555, 69738192, 70680600, 72643950, 77486880, 87172740, 92984256, 94240800, 96858600, 104607288, 108965925, 113088960, 116230320, 129144800, 130759110, 139476384, 141361200, 145287900, 154973760, 174345480, 188481600, 193717200, 209214576, 217931850, 232460640, 258289600, 261518220, 278952768, 282722400, 290575800, 326897775, 348690960, 387434400, 418429152, 435863700, 464921280, 523036440, 565444800, 581151600, 653795550, 697381920, 774868800, 836858304, 871727400, 1046072880, 1162303200, 1307591100, 1394763840, 1743454800, 2092145760, 2324606400, 2615182200, 3486909600, 4184291520, 5230364400, 6973819200, 10460728800, 20921457600]

約数ペア:

[(1, 20921457600), (2, 10460728800), (3, 6973819200), (4, 5230364400), (5, 4184291520), (6, 3486909600), (8, 2615182200), (9, 2324606400), (10, 2092145760), (12, 1743454800), (15, 1394763840), (16, 1307591100), (18, 1162303200), (20, 1046072880), (24, 871727400), (25, 836858304), (27, 774868800), (30, 697381920), (32, 653795550), (36, 581151600), (37, 565444800), (40, 523036440), (45, 464921280), (48, 435863700), (50, 418429152), (54, 387434400), (60, 348690960), (64, 326897775), (72, 290575800), (74, 282722400), (75, 278952768), (80, 261518220), (81, 258289600), (90, 232460640), (96, 217931850), (100, 209214576), (108, 193717200), (111, 188481600), (120, 174345480), (135, 154973760), (144, 145287900), (148, 141361200), (150, 139476384), (160, 130759110), (162, 129144800), (180, 116230320), (185, 113088960), (192, 108965925), (200, 104607288), (216, 96858600), (222, 94240800), (225, 92984256), (240, 87172740), (270, 77486880), (288, 72643950), (296, 70680600), (300, 69738192), (320, 65379555), (324, 64572400), (333, 62827200), (360, 58115160), (370, 56544480), (400, 52303644), (405, 51657920), (432, 48429300), (444, 47120400), (450, 46492128), (480, 43586370), (540, 38743440), (555, 37696320), (576, 36321975), (592, 35340300), (600, 34869096), (648, 32286200), (666, 31413600), (675, 30994752), (720, 29057580), (740, 28272240), (800, 26151822), (810, 25828960), (864, 24214650), (888, 23560200), (900, 23246064), (925, 22617792), (960, 21793185), (999, 20942400), (1080, 19371720), (1110, 18848160), (1184, 17670150), (1200, 17434548), (1296, 16143100), (1332, 15706800), (1350, 15497376), (1440, 14528790), (1480, 14136120), (1600, 13075911), (1620, 12914480), (1665, 12565440), (1728, 12107325), (1776, 11780100), (1800, 11623032), (1850, 11308896), (1998, 10471200), (2025, 10331584), (2160, 9685860), (2220, 9424080), (2368, 8835075), (2400, 8717274), (2592, 8071550), (2664, 7853400), (2700, 7748688), (2775, 7539264), (2880, 7264395), (2960, 7068060), (2997, 6980800), (3240, 6457240), (3330, 6282720), (3552, 5890050), (3600, 5811516), (3700, 5654448), (3996, 5235600), (4050, 5165792), (4320, 4842930), (4363, 4795200), (4440, 4712040), (4800, 4358637), (4995, 4188480), (5184, 4035775), (5328, 3926700), (5400, 3874344), (5550, 3769632), (5920, 3534030), (5994, 3490400), (6480, 3228620), (6660, 3141360), (7104, 2945025), (7200, 2905758), (7400, 2827224), (7992, 2617800), (8100, 2582896), (8325, 2513088), (8640, 2421465), (8726, 2397600), (8880, 2356020), (9990, 2094240), (10656, 1963350), (10800, 1937172), (11100, 1884816), (11840, 1767015), (11988, 1745200), (12960, 1614310), (13089, 1598400), (13320, 1570680), (14400, 1452879), (14800, 1413612), (14985, 1396160), (15984, 1308900), (16200, 1291448), (16650, 1256544), (17452, 1198800), (17760, 1178010), (19980, 1047120), (21312, 981675), (21600, 968586), (21815, 959040), (22200, 942408), (23976, 872600), (24975, 837696), (25920, 807155), (26178, 799200), (26640, 785340), (29600, 706806), (29970, 698080), (31968, 654450), (32400, 645724), (33300, 628272), (34904, 599400), (35520, 589005), (39267, 532800), (39960, 523560), (43200, 484293), (43630, 479520), (44400, 471204), (47952, 436300), (49950, 418848), (52356, 399600), (53280, 392670), (59200, 353403), (59940, 349040), (63936, 327225), (64800, 322862), (65445, 319680), (66600, 314136), (69808, 299700), (74925, 279232), (78534, 266400), (79920, 261780), (87260, 239760), (88800, 235602), (95904, 218150), (99900, 209424), (104712, 199800), (106560, 196335), (109075, 191808), (117801, 177600), (119880, 174520), (129600, 161431), (130890, 159840), (133200, 157068), (139616, 149850)]