136621960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 319334400

約数和(自身を除く): 182712440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 239, 248, 310, 461, 478, 620, 922, 956, 1195, 1240, 1844, 1912, 2305, 2390, 3688, 4610, 4780, 7409, 9220, 9560, 14291, 14818, 18440, 28582, 29636, 37045, 57164, 59272, 71455, 74090, 110179, 114328, 142910, 148180, 220358, 285820, 296360, 440716, 550895, 571640, 881432, 1101790, 2203580, 3415549, 4407160, 6831098, 13662196, 17077745, 27324392, 34155490, 68310980, 136621960]

約数ペア:

[(1, 136621960), (2, 68310980), (4, 34155490), (5, 27324392), (8, 17077745), (10, 13662196), (20, 6831098), (31, 4407160), (40, 3415549), (62, 2203580), (124, 1101790), (155, 881432), (239, 571640), (248, 550895), (310, 440716), (461, 296360), (478, 285820), (620, 220358), (922, 148180), (956, 142910), (1195, 114328), (1240, 110179), (1844, 74090), (1912, 71455), (2305, 59272), (2390, 57164), (3688, 37045), (4610, 29636), (4780, 28582), (7409, 18440), (9220, 14818), (9560, 14291)]