178970940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7829}}^1$

素因数の和:7971

約数の個数: 72

約数和(自身を含む): 547223040

約数和(自身を除く): 368252100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 7829, 11430, 15658, 22860, 23487, 31316, 39145, 46974, 70461, 78290, 93948, 117435, 140922, 156580, 234870, 281844, 352305, 469740, 704610, 994283, 1409220, 1988566, 2982849, 3977132, 4971415, 5965698, 8948547, 9942830, 11931396, 14914245, 17897094, 19885660, 29828490, 35794188, 44742735, 59656980, 89485470, 178970940]

約数ペア:

[(1, 178970940), (2, 89485470), (3, 59656980), (4, 44742735), (5, 35794188), (6, 29828490), (9, 19885660), (10, 17897094), (12, 14914245), (15, 11931396), (18, 9942830), (20, 8948547), (30, 5965698), (36, 4971415), (45, 3977132), (60, 2982849), (90, 1988566), (127, 1409220), (180, 994283), (254, 704610), (381, 469740), (508, 352305), (635, 281844), (762, 234870), (1143, 156580), (1270, 140922), (1524, 117435), (1905, 93948), (2286, 78290), (2540, 70461), (3810, 46974), (4572, 39145), (5715, 31316), (7620, 23487), (7829, 22860), (11430, 15658)]