31508620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 81285120

約数和(自身を除く): 49776500

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 44, 46, 52, 55, 65, 92, 110, 115, 130, 143, 220, 230, 253, 260, 286, 299, 460, 479, 506, 572, 598, 715, 958, 1012, 1196, 1265, 1430, 1495, 1916, 2395, 2530, 2860, 2990, 3289, 4790, 5060, 5269, 5980, 6227, 6578, 9580, 10538, 11017, 12454, 13156, 16445, 21076, 22034, 24908, 26345, 31135, 32890, 44068, 52690, 55085, 62270, 65780, 68497, 105380, 110170, 121187, 124540, 136994, 143221, 220340, 242374, 273988, 286442, 342485, 484748, 572884, 605935, 684970, 716105, 1211870, 1369940, 1432210, 1575431, 2423740, 2864420, 3150862, 6301724, 7877155, 15754310, 31508620]

約数ペア:

[(1, 31508620), (2, 15754310), (4, 7877155), (5, 6301724), (10, 3150862), (11, 2864420), (13, 2423740), (20, 1575431), (22, 1432210), (23, 1369940), (26, 1211870), (44, 716105), (46, 684970), (52, 605935), (55, 572884), (65, 484748), (92, 342485), (110, 286442), (115, 273988), (130, 242374), (143, 220340), (220, 143221), (230, 136994), (253, 124540), (260, 121187), (286, 110170), (299, 105380), (460, 68497), (479, 65780), (506, 62270), (572, 55085), (598, 52690), (715, 44068), (958, 32890), (1012, 31135), (1196, 26345), (1265, 24908), (1430, 22034), (1495, 21076), (1916, 16445), (2395, 13156), (2530, 12454), (2860, 11017), (2990, 10538), (3289, 9580), (4790, 6578), (5060, 6227), (5269, 5980)]