261453360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{155627}}^1$

素因数の和:155650

約数の個数: 80

約数和(自身を含む): 926297856

約数和(自身を除く): 664844496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 155627, 311254, 466881, 622508, 778135, 933762, 1089389, 1245016, 1556270, 1867524, 2178778, 2334405, 2490032, 3112540, 3268167, 3735048, 4357556, 4668810, 5446945, 6225080, 6536334, 7470096, 8715112, 9337620, 10893890, 12450160, 13072668, 16340835, 17430224, 18675240, 21787780, 26145336, 32681670, 37350480, 43575560, 52290672, 65363340, 87151120, 130726680, 261453360]

約数ペア:

[(1, 261453360), (2, 130726680), (3, 87151120), (4, 65363340), (5, 52290672), (6, 43575560), (7, 37350480), (8, 32681670), (10, 26145336), (12, 21787780), (14, 18675240), (15, 17430224), (16, 16340835), (20, 13072668), (21, 12450160), (24, 10893890), (28, 9337620), (30, 8715112), (35, 7470096), (40, 6536334), (42, 6225080), (48, 5446945), (56, 4668810), (60, 4357556), (70, 3735048), (80, 3268167), (84, 3112540), (105, 2490032), (112, 2334405), (120, 2178778), (140, 1867524), (168, 1556270), (210, 1245016), (240, 1089389), (280, 933762), (336, 778135), (420, 622508), (560, 466881), (840, 311254), (1680, 155627)]