1566509780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{3851}}^1$

素因数の和:3957

約数の個数: 72

約数和(自身を含む): 3675085344

約数和(自身を除く): 2108575564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1849, 1892, 2365, 3698, 3851, 4730, 7396, 7702, 9245, 9460, 15404, 18490, 19255, 20339, 36980, 38510, 40678, 42361, 77020, 81356, 84722, 101695, 165593, 169444, 203390, 211805, 331186, 406780, 423610, 662372, 827965, 847220, 1655930, 1821523, 3311860, 3643046, 7120499, 7286092, 9107615, 14240998, 18215230, 28481996, 35602495, 36430460, 71204990, 78325489, 142409980, 156650978, 313301956, 391627445, 783254890, 1566509780]

約数ペア:

[(1, 1566509780), (2, 783254890), (4, 391627445), (5, 313301956), (10, 156650978), (11, 142409980), (20, 78325489), (22, 71204990), (43, 36430460), (44, 35602495), (55, 28481996), (86, 18215230), (110, 14240998), (172, 9107615), (215, 7286092), (220, 7120499), (430, 3643046), (473, 3311860), (860, 1821523), (946, 1655930), (1849, 847220), (1892, 827965), (2365, 662372), (3698, 423610), (3851, 406780), (4730, 331186), (7396, 211805), (7702, 203390), (9245, 169444), (9460, 165593), (15404, 101695), (18490, 84722), (19255, 81356), (20339, 77020), (36980, 42361), (38510, 40678)]