19916470800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{997}}^1$

素因数の和:1231

約数の個数: 360

約数和(自身を含む): 71815760640

約数和(自身を除く): 51899289840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 31, 36, 40, 45, 48, 50, 60, 62, 72, 75, 80, 90, 93, 100, 120, 124, 144, 150, 155, 179, 180, 186, 200, 225, 240, 248, 279, 300, 310, 358, 360, 372, 400, 450, 465, 496, 537, 558, 600, 620, 716, 720, 744, 775, 895, 900, 930, 997, 1074, 1116, 1200, 1240, 1395, 1432, 1488, 1550, 1611, 1790, 1800, 1860, 1994, 2148, 2232, 2325, 2480, 2685, 2790, 2864, 2991, 3100, 3222, 3580, 3600, 3720, 3988, 4296, 4464, 4475, 4650, 4985, 5370, 5549, 5580, 5982, 6200, 6444, 6975, 7160, 7440, 7976, 8055, 8592, 8950, 8973, 9300, 9970, 10740, 11098, 11160, 11964, 12400, 12888, 13425, 13950, 14320, 14955, 15952, 16110, 16647, 17900, 17946, 18600, 19940, 21480, 22196, 22320, 23928, 24925, 25776, 26850, 27745, 27900, 29910, 30907, 32220, 33294, 35800, 35892, 37200, 39880, 40275, 42960, 44392, 44865, 47856, 49850, 49941, 53700, 55490, 55800, 59820, 61814, 64440, 66588, 71600, 71784, 74775, 79760, 80550, 83235, 88784, 89730, 92721, 99700, 99882, 107400, 110980, 111600, 119640, 123628, 128880, 133176, 138725, 143568, 149550, 154535, 161100, 166470, 178463, 179460, 185442, 199400, 199764, 214800, 221960, 224325, 239280, 247256, 249705, 266352, 277450, 278163, 299100, 309070, 322200, 332940, 356926, 358920, 370884, 398800, 399528, 416175, 443920, 448650, 463605, 494512, 499410, 535389, 554900, 556326, 598200, 618140, 644400, 665880, 713852, 717840, 741768, 772675, 799056, 832350, 892315, 897300, 927210, 998820, 1070778, 1109800, 1112652, 1196400, 1236280, 1248525, 1331760, 1390815, 1427704, 1483536, 1545350, 1606167, 1664700, 1784630, 1794600, 1854420, 1997640, 2141556, 2219600, 2225304, 2318025, 2472560, 2497050, 2676945, 2781630, 2855408, 3090700, 3212334, 3329400, 3569260, 3589200, 3708840, 3995280, 4283112, 4450608, 4461575, 4636050, 4994100, 5353890, 5532353, 5563260, 6181400, 6424668, 6658800, 6954075, 7138520, 7417680, 8030835, 8566224, 8923150, 9272100, 9988200, 10707780, 11064706, 11126520, 12362800, 12849336, 13384725, 13908150, 14277040, 16061670, 16597059, 17846300, 18544200, 19976400, 21415560, 22129412, 22253040, 25698672, 26769450, 27661765, 27816300, 32123340, 33194118, 35692600, 37088400, 40154175, 42831120, 44258824, 49791177, 53538900, 55323530, 55632600, 64246680, 66388236, 71385200, 80308350, 82985295, 88517648, 99582354, 107077800, 110647060, 111265200, 128493360, 132776472, 138308825, 160616700, 165970590, 199164708, 214155600, 221294120, 248955885, 265552944, 276617650, 321233400, 331941180, 398329416, 414926475, 442588240, 497911770, 553235300, 642466800, 663882360, 796658832, 829852950, 995823540, 1106470600, 1244779425, 1327764720, 1659705900, 1991647080, 2212941200, 2489558850, 3319411800, 3983294160, 4979117700, 6638823600, 9958235400, 19916470800]

約数ペア:

[(1, 19916470800), (2, 9958235400), (3, 6638823600), (4, 4979117700), (5, 3983294160), (6, 3319411800), (8, 2489558850), (9, 2212941200), (10, 1991647080), (12, 1659705900), (15, 1327764720), (16, 1244779425), (18, 1106470600), (20, 995823540), (24, 829852950), (25, 796658832), (30, 663882360), (31, 642466800), (36, 553235300), (40, 497911770), (45, 442588240), (48, 414926475), (50, 398329416), (60, 331941180), (62, 321233400), (72, 276617650), (75, 265552944), (80, 248955885), (90, 221294120), (93, 214155600), (100, 199164708), (120, 165970590), (124, 160616700), (144, 138308825), (150, 132776472), (155, 128493360), (179, 111265200), (180, 110647060), (186, 107077800), (200, 99582354), (225, 88517648), (240, 82985295), (248, 80308350), (279, 71385200), (300, 66388236), (310, 64246680), (358, 55632600), (360, 55323530), (372, 53538900), (400, 49791177), (450, 44258824), (465, 42831120), (496, 40154175), (537, 37088400), (558, 35692600), (600, 33194118), (620, 32123340), (716, 27816300), (720, 27661765), (744, 26769450), (775, 25698672), (895, 22253040), (900, 22129412), (930, 21415560), (997, 19976400), (1074, 18544200), (1116, 17846300), (1200, 16597059), (1240, 16061670), (1395, 14277040), (1432, 13908150), (1488, 13384725), (1550, 12849336), (1611, 12362800), (1790, 11126520), (1800, 11064706), (1860, 10707780), (1994, 9988200), (2148, 9272100), (2232, 8923150), (2325, 8566224), (2480, 8030835), (2685, 7417680), (2790, 7138520), (2864, 6954075), (2991, 6658800), (3100, 6424668), (3222, 6181400), (3580, 5563260), (3600, 5532353), (3720, 5353890), (3988, 4994100), (4296, 4636050), (4464, 4461575), (4475, 4450608), (4650, 4283112), (4985, 3995280), (5370, 3708840), (5549, 3589200), (5580, 3569260), (5982, 3329400), (6200, 3212334), (6444, 3090700), (6975, 2855408), (7160, 2781630), (7440, 2676945), (7976, 2497050), (8055, 2472560), (8592, 2318025), (8950, 2225304), (8973, 2219600), (9300, 2141556), (9970, 1997640), (10740, 1854420), (11098, 1794600), (11160, 1784630), (11964, 1664700), (12400, 1606167), (12888, 1545350), (13425, 1483536), (13950, 1427704), (14320, 1390815), (14955, 1331760), (15952, 1248525), (16110, 1236280), (16647, 1196400), (17900, 1112652), (17946, 1109800), (18600, 1070778), (19940, 998820), (21480, 927210), (22196, 897300), (22320, 892315), (23928, 832350), (24925, 799056), (25776, 772675), (26850, 741768), (27745, 717840), (27900, 713852), (29910, 665880), (30907, 644400), (32220, 618140), (33294, 598200), (35800, 556326), (35892, 554900), (37200, 535389), (39880, 499410), (40275, 494512), (42960, 463605), (44392, 448650), (44865, 443920), (47856, 416175), (49850, 399528), (49941, 398800), (53700, 370884), (55490, 358920), (55800, 356926), (59820, 332940), (61814, 322200), (64440, 309070), (66588, 299100), (71600, 278163), (71784, 277450), (74775, 266352), (79760, 249705), (80550, 247256), (83235, 239280), (88784, 224325), (89730, 221960), (92721, 214800), (99700, 199764), (99882, 199400), (107400, 185442), (110980, 179460), (111600, 178463), (119640, 166470), (123628, 161100), (128880, 154535), (133176, 149550), (138725, 143568)]