71131440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{821}}^1$

素因数の和:875

約数の個数: 120

約数和(自身を含む): 233007408

約数和(自身を除く): 161875968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 361, 380, 456, 570, 722, 760, 821, 912, 1083, 1140, 1444, 1520, 1642, 1805, 2166, 2280, 2463, 2888, 3284, 3610, 4105, 4332, 4560, 4926, 5415, 5776, 6568, 7220, 8210, 8664, 9852, 10830, 12315, 13136, 14440, 15599, 16420, 17328, 19704, 21660, 24630, 28880, 31198, 32840, 39408, 43320, 46797, 49260, 62396, 65680, 77995, 86640, 93594, 98520, 124792, 155990, 187188, 197040, 233985, 249584, 296381, 311980, 374376, 467970, 592762, 623960, 748752, 889143, 935940, 1185524, 1247920, 1481905, 1778286, 1871880, 2371048, 2963810, 3556572, 3743760, 4445715, 4742096, 5927620, 7113144, 8891430, 11855240, 14226288, 17782860, 23710480, 35565720, 71131440]

約数ペア:

[(1, 71131440), (2, 35565720), (3, 23710480), (4, 17782860), (5, 14226288), (6, 11855240), (8, 8891430), (10, 7113144), (12, 5927620), (15, 4742096), (16, 4445715), (19, 3743760), (20, 3556572), (24, 2963810), (30, 2371048), (38, 1871880), (40, 1778286), (48, 1481905), (57, 1247920), (60, 1185524), (76, 935940), (80, 889143), (95, 748752), (114, 623960), (120, 592762), (152, 467970), (190, 374376), (228, 311980), (240, 296381), (285, 249584), (304, 233985), (361, 197040), (380, 187188), (456, 155990), (570, 124792), (722, 98520), (760, 93594), (821, 86640), (912, 77995), (1083, 65680), (1140, 62396), (1444, 49260), (1520, 46797), (1642, 43320), (1805, 39408), (2166, 32840), (2280, 31198), (2463, 28880), (2888, 24630), (3284, 21660), (3610, 19704), (4105, 17328), (4332, 16420), (4560, 15599), (4926, 14440), (5415, 13136), (5776, 12315), (6568, 10830), (7220, 9852), (8210, 8664)]