71968360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 168837120

約数和(自身を除く): 96868760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 457, 508, 620, 635, 914, 1016, 1240, 1270, 1828, 2285, 2540, 3656, 3937, 4570, 5080, 7874, 9140, 14167, 15748, 18280, 19685, 28334, 31496, 39370, 56668, 58039, 70835, 78740, 113336, 116078, 141670, 157480, 232156, 283340, 290195, 464312, 566680, 580390, 1160780, 1799209, 2321560, 3598418, 7196836, 8996045, 14393672, 17992090, 35984180, 71968360]

約数ペア:

[(1, 71968360), (2, 35984180), (4, 17992090), (5, 14393672), (8, 8996045), (10, 7196836), (20, 3598418), (31, 2321560), (40, 1799209), (62, 1160780), (124, 580390), (127, 566680), (155, 464312), (248, 290195), (254, 283340), (310, 232156), (457, 157480), (508, 141670), (620, 116078), (635, 113336), (914, 78740), (1016, 70835), (1240, 58039), (1270, 56668), (1828, 39370), (2285, 31496), (2540, 28334), (3656, 19685), (3937, 18280), (4570, 15748), (5080, 14167), (7874, 9140)]