18188637440

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1\times {\mathrm{1249}}^1$

素因数の和:1668

約数の個数: 144

約数和(自身を含む): 45131520000

約数和(自身を除く): 26942882560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 367, 496, 620, 640, 734, 992, 1240, 1249, 1280, 1468, 1835, 1984, 2480, 2498, 2936, 3670, 3968, 4960, 4996, 5872, 6245, 7340, 7936, 9920, 9992, 11377, 11744, 12490, 14680, 19840, 19984, 22754, 23488, 24980, 29360, 38719, 39680, 39968, 45508, 46976, 49960, 56885, 58720, 77438, 79936, 91016, 93952, 99920, 113770, 117440, 154876, 159872, 182032, 193595, 199840, 227540, 234880, 309752, 319744, 364064, 387190, 399680, 455080, 458383, 469760, 619504, 728128, 774380, 799360, 910160, 916766, 1239008, 1456256, 1548760, 1598720, 1820320, 1833532, 2291915, 2478016, 2912512, 3097520, 3640640, 3667064, 4583830, 4956032, 6195040, 7281280, 7334128, 9167660, 9912064, 12390080, 14209873, 14562560, 14668256, 18335320, 24780160, 28419746, 29336512, 36670640, 49560320, 56839492, 58673024, 71049365, 73341280, 113678984, 117346048, 142098730, 146682560, 227357968, 284197460, 293365120, 454715936, 568394920, 586730240, 909431872, 1136789840, 1818863744, 2273579680, 3637727488, 4547159360, 9094318720, 18188637440]

約数ペア:

[(1, 18188637440), (2, 9094318720), (4, 4547159360), (5, 3637727488), (8, 2273579680), (10, 1818863744), (16, 1136789840), (20, 909431872), (31, 586730240), (32, 568394920), (40, 454715936), (62, 293365120), (64, 284197460), (80, 227357968), (124, 146682560), (128, 142098730), (155, 117346048), (160, 113678984), (248, 73341280), (256, 71049365), (310, 58673024), (320, 56839492), (367, 49560320), (496, 36670640), (620, 29336512), (640, 28419746), (734, 24780160), (992, 18335320), (1240, 14668256), (1249, 14562560), (1280, 14209873), (1468, 12390080), (1835, 9912064), (1984, 9167660), (2480, 7334128), (2498, 7281280), (2936, 6195040), (3670, 4956032), (3968, 4583830), (4960, 3667064), (4996, 3640640), (5872, 3097520), (6245, 2912512), (7340, 2478016), (7936, 2291915), (9920, 1833532), (9992, 1820320), (11377, 1598720), (11744, 1548760), (12490, 1456256), (14680, 1239008), (19840, 916766), (19984, 910160), (22754, 799360), (23488, 774380), (24980, 728128), (29360, 619504), (38719, 469760), (39680, 458383), (39968, 455080), (45508, 399680), (46976, 387190), (49960, 364064), (56885, 319744), (58720, 309752), (77438, 234880), (79936, 227540), (91016, 199840), (93952, 193595), (99920, 182032), (113770, 159872), (117440, 154876)]