31698040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1264

約数の個数: 64

約数和(自身を含む): 79146720

約数和(自身を除く): 47448680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1181, 1220, 1342, 2362, 2440, 2684, 3355, 4724, 5368, 5905, 6710, 9448, 11810, 12991, 13420, 23620, 25982, 26840, 47240, 51964, 64955, 72041, 103928, 129910, 144082, 259820, 288164, 360205, 519640, 576328, 720410, 792451, 1440820, 1584902, 2881640, 3169804, 3962255, 6339608, 7924510, 15849020, 31698040]

約数ペア:

[(1, 31698040), (2, 15849020), (4, 7924510), (5, 6339608), (8, 3962255), (10, 3169804), (11, 2881640), (20, 1584902), (22, 1440820), (40, 792451), (44, 720410), (55, 576328), (61, 519640), (88, 360205), (110, 288164), (122, 259820), (220, 144082), (244, 129910), (305, 103928), (440, 72041), (488, 64955), (610, 51964), (671, 47240), (1181, 26840), (1220, 25982), (1342, 23620), (2362, 13420), (2440, 12991), (2684, 11810), (3355, 9448), (4724, 6710), (5368, 5905)]