15672981860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{139663}}^1$

素因数の和:139884

約数の個数: 48

約数和(自身を含む): 34162931712

約数和(自身を除く): 18489949852

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 310, 362, 620, 724, 905, 1810, 3620, 5611, 11222, 22444, 28055, 56110, 112220, 139663, 279326, 558652, 698315, 1396630, 2793260, 4329553, 8659106, 17318212, 21647765, 25279003, 43295530, 50558006, 86591060, 101116012, 126395015, 252790030, 505580060, 783649093, 1567298186, 3134596372, 3918245465, 7836490930, 15672981860]

約数ペア:

[(1, 15672981860), (2, 7836490930), (4, 3918245465), (5, 3134596372), (10, 1567298186), (20, 783649093), (31, 505580060), (62, 252790030), (124, 126395015), (155, 101116012), (181, 86591060), (310, 50558006), (362, 43295530), (620, 25279003), (724, 21647765), (905, 17318212), (1810, 8659106), (3620, 4329553), (5611, 2793260), (11222, 1396630), (22444, 698315), (28055, 558652), (56110, 279326), (112220, 139663)]