20397388800

素因数分解:

$2^{10}\times 3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{919}}^1$

素因数の和:986

約数の個数: 396

約数和(自身を含む): 71691180320

約数和(自身を除く): 51293791520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 128, 136, 150, 160, 170, 192, 200, 204, 240, 255, 256, 272, 289, 300, 320, 340, 384, 400, 408, 425, 480, 510, 512, 544, 578, 600, 640, 680, 768, 800, 816, 850, 867, 919, 960, 1020, 1024, 1088, 1156, 1200, 1275, 1280, 1360, 1445, 1536, 1600, 1632, 1700, 1734, 1838, 1920, 2040, 2176, 2312, 2400, 2550, 2560, 2720, 2757, 2890, 3072, 3200, 3264, 3400, 3468, 3676, 3840, 4080, 4335, 4352, 4595, 4624, 4800, 5100, 5120, 5440, 5514, 5780, 6400, 6528, 6800, 6936, 7225, 7352, 7680, 8160, 8670, 8704, 9190, 9248, 9600, 10200, 10880, 11028, 11560, 12800, 13056, 13600, 13785, 13872, 14450, 14704, 15360, 15623, 16320, 17340, 17408, 18380, 18496, 19200, 20400, 21675, 21760, 22056, 22975, 23120, 25600, 26112, 27200, 27570, 27744, 28900, 29408, 31246, 32640, 34680, 36760, 36992, 38400, 40800, 43350, 43520, 44112, 45950, 46240, 46869, 52224, 54400, 55140, 55488, 57800, 58816, 62492, 65280, 68925, 69360, 73520, 73984, 76800, 78115, 81600, 86700, 87040, 88224, 91900, 92480, 93738, 108800, 110280, 110976, 115600, 117632, 124984, 130560, 137850, 138720, 147040, 147968, 156230, 163200, 173400, 176448, 183800, 184960, 187476, 217600, 220560, 221952, 231200, 234345, 235264, 249968, 261120, 265591, 275700, 277440, 294080, 295936, 312460, 326400, 346800, 352896, 367600, 369920, 374952, 390575, 435200, 441120, 443904, 462400, 468690, 470528, 499936, 531182, 551400, 554880, 588160, 624920, 652800, 693600, 705792, 735200, 739840, 749904, 781150, 796773, 882240, 887808, 924800, 937380, 941056, 999872, 1062364, 1102800, 1109760, 1171725, 1176320, 1249840, 1305600, 1327955, 1387200, 1411584, 1470400, 1479680, 1499808, 1562300, 1593546, 1764480, 1849600, 1874760, 1999744, 2124728, 2205600, 2219520, 2343450, 2352640, 2499680, 2655910, 2774400, 2823168, 2940800, 2999616, 3124600, 3187092, 3528960, 3699200, 3749520, 3983865, 3999488, 4249456, 4411200, 4439040, 4686900, 4705280, 4999360, 5311820, 5548800, 5881600, 5999232, 6249200, 6374184, 6639775, 7057920, 7398400, 7499040, 7967730, 7998976, 8498912, 8822400, 9373800, 9998720, 10623640, 11097600, 11763200, 11998464, 12498400, 12748368, 13279550, 14115840, 14998080, 15935460, 15997952, 16997824, 17644800, 18747600, 19919325, 19997440, 21247280, 22195200, 23526400, 23996928, 24996800, 25496736, 26559100, 29996160, 31870920, 33995648, 35289600, 37495200, 39838650, 39994880, 42494560, 47993856, 49993600, 50993472, 53118200, 59992320, 63741840, 67991296, 70579200, 74990400, 79677300, 79989760, 84989120, 99987200, 101986944, 106236400, 119984640, 127483680, 135982592, 149980800, 159354600, 169978240, 199974400, 203973888, 212472800, 239969280, 254967360, 271965184, 299961600, 318709200, 339956480, 399948800, 407947776, 424945600, 509934720, 599923200, 637418400, 679912960, 815895552, 849891200, 1019869440, 1199846400, 1274836800, 1359825920, 1699782400, 2039738880, 2549673600, 3399564800, 4079477760, 5099347200, 6799129600, 10198694400, 20397388800]

約数ペア:

[(1, 20397388800), (2, 10198694400), (3, 6799129600), (4, 5099347200), (5, 4079477760), (6, 3399564800), (8, 2549673600), (10, 2039738880), (12, 1699782400), (15, 1359825920), (16, 1274836800), (17, 1199846400), (20, 1019869440), (24, 849891200), (25, 815895552), (30, 679912960), (32, 637418400), (34, 599923200), (40, 509934720), (48, 424945600), (50, 407947776), (51, 399948800), (60, 339956480), (64, 318709200), (68, 299961600), (75, 271965184), (80, 254967360), (85, 239969280), (96, 212472800), (100, 203973888), (102, 199974400), (120, 169978240), (128, 159354600), (136, 149980800), (150, 135982592), (160, 127483680), (170, 119984640), (192, 106236400), (200, 101986944), (204, 99987200), (240, 84989120), (255, 79989760), (256, 79677300), (272, 74990400), (289, 70579200), (300, 67991296), (320, 63741840), (340, 59992320), (384, 53118200), (400, 50993472), (408, 49993600), (425, 47993856), (480, 42494560), (510, 39994880), (512, 39838650), (544, 37495200), (578, 35289600), (600, 33995648), (640, 31870920), (680, 29996160), (768, 26559100), (800, 25496736), (816, 24996800), (850, 23996928), (867, 23526400), (919, 22195200), (960, 21247280), (1020, 19997440), (1024, 19919325), (1088, 18747600), (1156, 17644800), (1200, 16997824), (1275, 15997952), (1280, 15935460), (1360, 14998080), (1445, 14115840), (1536, 13279550), (1600, 12748368), (1632, 12498400), (1700, 11998464), (1734, 11763200), (1838, 11097600), (1920, 10623640), (2040, 9998720), (2176, 9373800), (2312, 8822400), (2400, 8498912), (2550, 7998976), (2560, 7967730), (2720, 7499040), (2757, 7398400), (2890, 7057920), (3072, 6639775), (3200, 6374184), (3264, 6249200), (3400, 5999232), (3468, 5881600), (3676, 5548800), (3840, 5311820), (4080, 4999360), (4335, 4705280), (4352, 4686900), (4595, 4439040), (4624, 4411200), (4800, 4249456), (5100, 3999488), (5120, 3983865), (5440, 3749520), (5514, 3699200), (5780, 3528960), (6400, 3187092), (6528, 3124600), (6800, 2999616), (6936, 2940800), (7225, 2823168), (7352, 2774400), (7680, 2655910), (8160, 2499680), (8670, 2352640), (8704, 2343450), (9190, 2219520), (9248, 2205600), (9600, 2124728), (10200, 1999744), (10880, 1874760), (11028, 1849600), (11560, 1764480), (12800, 1593546), (13056, 1562300), (13600, 1499808), (13785, 1479680), (13872, 1470400), (14450, 1411584), (14704, 1387200), (15360, 1327955), (15623, 1305600), (16320, 1249840), (17340, 1176320), (17408, 1171725), (18380, 1109760), (18496, 1102800), (19200, 1062364), (20400, 999872), (21675, 941056), (21760, 937380), (22056, 924800), (22975, 887808), (23120, 882240), (25600, 796773), (26112, 781150), (27200, 749904), (27570, 739840), (27744, 735200), (28900, 705792), (29408, 693600), (31246, 652800), (32640, 624920), (34680, 588160), (36760, 554880), (36992, 551400), (38400, 531182), (40800, 499936), (43350, 470528), (43520, 468690), (44112, 462400), (45950, 443904), (46240, 441120), (46869, 435200), (52224, 390575), (54400, 374952), (55140, 369920), (55488, 367600), (57800, 352896), (58816, 346800), (62492, 326400), (65280, 312460), (68925, 295936), (69360, 294080), (73520, 277440), (73984, 275700), (76800, 265591), (78115, 261120), (81600, 249968), (86700, 235264), (87040, 234345), (88224, 231200), (91900, 221952), (92480, 220560), (93738, 217600), (108800, 187476), (110280, 184960), (110976, 183800), (115600, 176448), (117632, 173400), (124984, 163200), (130560, 156230), (137850, 147968), (138720, 147040)]