71742680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1320

約数の個数: 64

約数和(自身を含む): 170311680

約数和(自身を除く): 98569000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1231, 1240, 1457, 1880, 2462, 2914, 4924, 5828, 6155, 7285, 9848, 11656, 12310, 14570, 24620, 29140, 38161, 49240, 57857, 58280, 76322, 115714, 152644, 190805, 231428, 289285, 305288, 381610, 462856, 578570, 763220, 1157140, 1526440, 1793567, 2314280, 3587134, 7174268, 8967835, 14348536, 17935670, 35871340, 71742680]

約数ペア:

[(1, 71742680), (2, 35871340), (4, 17935670), (5, 14348536), (8, 8967835), (10, 7174268), (20, 3587134), (31, 2314280), (40, 1793567), (47, 1526440), (62, 1157140), (94, 763220), (124, 578570), (155, 462856), (188, 381610), (235, 305288), (248, 289285), (310, 231428), (376, 190805), (470, 152644), (620, 115714), (940, 76322), (1231, 58280), (1240, 57857), (1457, 49240), (1880, 38161), (2462, 29140), (2914, 24620), (4924, 14570), (5828, 12310), (6155, 11656), (7285, 9848)]