155805720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{185483}}^1$

素因数の和:185504

約数の個数: 64

約数和(自身を含む): 534193920

約数和(自身を除く): 378388200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 185483, 370966, 556449, 741932, 927415, 1112898, 1298381, 1483864, 1854830, 2225796, 2596762, 2782245, 3709660, 3895143, 4451592, 5193524, 5564490, 6491905, 7419320, 7790286, 10387048, 11128980, 12983810, 15580572, 19475715, 22257960, 25967620, 31161144, 38951430, 51935240, 77902860, 155805720]

約数ペア:

[(1, 155805720), (2, 77902860), (3, 51935240), (4, 38951430), (5, 31161144), (6, 25967620), (7, 22257960), (8, 19475715), (10, 15580572), (12, 12983810), (14, 11128980), (15, 10387048), (20, 7790286), (21, 7419320), (24, 6491905), (28, 5564490), (30, 5193524), (35, 4451592), (40, 3895143), (42, 3709660), (56, 2782245), (60, 2596762), (70, 2225796), (84, 1854830), (105, 1483864), (120, 1298381), (140, 1112898), (168, 927415), (210, 741932), (280, 556449), (420, 370966), (840, 185483)]