74638960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{953}}^1$

素因数の和:1066

約数の個数: 80

約数和(自身を含む): 191639520

約数和(自身を除く): 117000560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 440, 445, 712, 880, 890, 953, 979, 1424, 1780, 1906, 1958, 3560, 3812, 3916, 4765, 4895, 7120, 7624, 7832, 9530, 9790, 10483, 15248, 15664, 19060, 19580, 20966, 38120, 39160, 41932, 52415, 76240, 78320, 83864, 84817, 104830, 167728, 169634, 209660, 339268, 419320, 424085, 678536, 838640, 848170, 932987, 1357072, 1696340, 1865974, 3392680, 3731948, 4664935, 6785360, 7463896, 9329870, 14927792, 18659740, 37319480, 74638960]

約数ペア:

[(1, 74638960), (2, 37319480), (4, 18659740), (5, 14927792), (8, 9329870), (10, 7463896), (11, 6785360), (16, 4664935), (20, 3731948), (22, 3392680), (40, 1865974), (44, 1696340), (55, 1357072), (80, 932987), (88, 848170), (89, 838640), (110, 678536), (176, 424085), (178, 419320), (220, 339268), (356, 209660), (440, 169634), (445, 167728), (712, 104830), (880, 84817), (890, 83864), (953, 78320), (979, 76240), (1424, 52415), (1780, 41932), (1906, 39160), (1958, 38120), (3560, 20966), (3812, 19580), (3916, 19060), (4765, 15664), (4895, 15248), (7120, 10483), (7624, 9790), (7832, 9530)]