71665240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 171149760

約数和(自身を除く): 99484520

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, 1277, 1403, 2440, 2554, 2806, 5108, 5612, 6385, 7015, 10216, 11224, 12770, 14030, 25540, 28060, 29371, 51080, 56120, 58742, 77897, 117484, 146855, 155794, 234968, 293710, 311588, 389485, 587420, 623176, 778970, 1174840, 1557940, 1791631, 3115880, 3583262, 7166524, 8958155, 14333048, 17916310, 35832620, 71665240]

約数ペア:

[(1, 71665240), (2, 35832620), (4, 17916310), (5, 14333048), (8, 8958155), (10, 7166524), (20, 3583262), (23, 3115880), (40, 1791631), (46, 1557940), (61, 1174840), (92, 778970), (115, 623176), (122, 587420), (184, 389485), (230, 311588), (244, 293710), (305, 234968), (460, 155794), (488, 146855), (610, 117484), (920, 77897), (1220, 58742), (1277, 56120), (1403, 51080), (2440, 29371), (2554, 28060), (2806, 25540), (5108, 14030), (5612, 12770), (6385, 11224), (7015, 10216)]