156967640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2797}}^1$

素因数の和:2892

約数の個数: 64

約数和(自身を含む): 374708160

約数和(自身を除く): 217740520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 610, 920, 1220, 1403, 2440, 2797, 2806, 5594, 5612, 7015, 11188, 11224, 13985, 14030, 22376, 27970, 28060, 55940, 56120, 64331, 111880, 128662, 170617, 257324, 321655, 341234, 514648, 643310, 682468, 853085, 1286620, 1364936, 1706170, 2573240, 3412340, 3924191, 6824680, 7848382, 15696764, 19620955, 31393528, 39241910, 78483820, 156967640]

約数ペア:

[(1, 156967640), (2, 78483820), (4, 39241910), (5, 31393528), (8, 19620955), (10, 15696764), (20, 7848382), (23, 6824680), (40, 3924191), (46, 3412340), (61, 2573240), (92, 1706170), (115, 1364936), (122, 1286620), (184, 853085), (230, 682468), (244, 643310), (305, 514648), (460, 341234), (488, 321655), (610, 257324), (920, 170617), (1220, 128662), (1403, 111880), (2440, 64331), (2797, 56120), (2806, 55940), (5594, 28060), (5612, 27970), (7015, 22376), (11188, 14030), (11224, 13985)]