260979160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21821}}^1$

素因数の和:21868

約数の個数: 64

約数和(自身を含む): 659897280

約数和(自身を除く): 398918120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 11960, 21821, 43642, 87284, 109105, 174568, 218210, 283673, 436420, 501883, 567346, 872840, 1003766, 1134692, 1418365, 2007532, 2269384, 2509415, 2836730, 4015064, 5018830, 5673460, 6524479, 10037660, 11346920, 13048958, 20075320, 26097916, 32622395, 52195832, 65244790, 130489580, 260979160]

約数ペア:

[(1, 260979160), (2, 130489580), (4, 65244790), (5, 52195832), (8, 32622395), (10, 26097916), (13, 20075320), (20, 13048958), (23, 11346920), (26, 10037660), (40, 6524479), (46, 5673460), (52, 5018830), (65, 4015064), (92, 2836730), (104, 2509415), (115, 2269384), (130, 2007532), (184, 1418365), (230, 1134692), (260, 1003766), (299, 872840), (460, 567346), (520, 501883), (598, 436420), (920, 283673), (1196, 218210), (1495, 174568), (2392, 109105), (2990, 87284), (5980, 43642), (11960, 21821)]