129439260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23197}}^1$

素因数の和:23243

約数の個数: 72

約数和(自身を含む): 405315456

約数和(自身を除く): 275876196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 23197, 46394, 69591, 92788, 115985, 139182, 208773, 231970, 278364, 347955, 417546, 463940, 695910, 719107, 835092, 1043865, 1391820, 1438214, 2087730, 2157321, 2876428, 3595535, 4175460, 4314642, 6471963, 7191070, 8629284, 10786605, 12943926, 14382140, 21573210, 25887852, 32359815, 43146420, 64719630, 129439260]

約数ペア:

[(1, 129439260), (2, 64719630), (3, 43146420), (4, 32359815), (5, 25887852), (6, 21573210), (9, 14382140), (10, 12943926), (12, 10786605), (15, 8629284), (18, 7191070), (20, 6471963), (30, 4314642), (31, 4175460), (36, 3595535), (45, 2876428), (60, 2157321), (62, 2087730), (90, 1438214), (93, 1391820), (124, 1043865), (155, 835092), (180, 719107), (186, 695910), (279, 463940), (310, 417546), (372, 347955), (465, 278364), (558, 231970), (620, 208773), (930, 139182), (1116, 115985), (1395, 92788), (1860, 69591), (2790, 46394), (5580, 23197)]