261096360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{310829}}^1$

素因数の和:310850

約数の個数: 64

約数和(自身を含む): 895190400

約数和(自身を除く): 634094040

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, 310829, 621658, 932487, 1243316, 1554145, 1864974, 2175803, 2486632, 3108290, 3729948, 4351606, 4662435, 6216580, 6527409, 7459896, 8703212, 9324870, 10879015, 12433160, 13054818, 17406424, 18649740, 21758030, 26109636, 32637045, 37299480, 43516060, 52219272, 65274090, 87032120, 130548180, 261096360]

約数ペア:

[(1, 261096360), (2, 130548180), (3, 87032120), (4, 65274090), (5, 52219272), (6, 43516060), (7, 37299480), (8, 32637045), (10, 26109636), (12, 21758030), (14, 18649740), (15, 17406424), (20, 13054818), (21, 12433160), (24, 10879015), (28, 9324870), (30, 8703212), (35, 7459896), (40, 6527409), (42, 6216580), (56, 4662435), (60, 4351606), (70, 3729948), (84, 3108290), (105, 2486632), (120, 2175803), (140, 1864974), (168, 1554145), (210, 1243316), (280, 932487), (420, 621658), (840, 310829)]