31008680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1530

約数の個数: 64

約数和(自身を含む): 76308480

約数和(自身を除く): 45299800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 1471, 2108, 2635, 2942, 4216, 5270, 5884, 7355, 10540, 11768, 14710, 21080, 25007, 29420, 45601, 50014, 58840, 91202, 100028, 125035, 182404, 200056, 228005, 250070, 364808, 456010, 500140, 775217, 912020, 1000280, 1550434, 1824040, 3100868, 3876085, 6201736, 7752170, 15504340, 31008680]

約数ペア:

[(1, 31008680), (2, 15504340), (4, 7752170), (5, 6201736), (8, 3876085), (10, 3100868), (17, 1824040), (20, 1550434), (31, 1000280), (34, 912020), (40, 775217), (62, 500140), (68, 456010), (85, 364808), (124, 250070), (136, 228005), (155, 200056), (170, 182404), (248, 125035), (310, 100028), (340, 91202), (527, 58840), (620, 50014), (680, 45601), (1054, 29420), (1240, 25007), (1471, 21080), (2108, 14710), (2635, 11768), (2942, 10540), (4216, 7355), (5270, 5884)]