641318580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{169661}}^1$

素因数の和:169686

約数の個数: 96

約数和(自身を含む): 2280257280

約数和(自身を除く): 1638938700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 169661, 339322, 508983, 678644, 848305, 1017966, 1187627, 1526949, 1696610, 2035932, 2375254, 2544915, 3053898, 3393220, 3562881, 4580847, 4750508, 5089830, 5938135, 6107796, 7125762, 7634745, 9161694, 10179660, 10688643, 11876270, 14251524, 15269490, 17814405, 18323388, 21377286, 22904235, 23752540, 30538980, 32065929, 35628810, 42754572, 45808470, 53443215, 64131858, 71257620, 91616940, 106886430, 128263716, 160329645, 213772860, 320659290, 641318580]

約数ペア:

[(1, 641318580), (2, 320659290), (3, 213772860), (4, 160329645), (5, 128263716), (6, 106886430), (7, 91616940), (9, 71257620), (10, 64131858), (12, 53443215), (14, 45808470), (15, 42754572), (18, 35628810), (20, 32065929), (21, 30538980), (27, 23752540), (28, 22904235), (30, 21377286), (35, 18323388), (36, 17814405), (42, 15269490), (45, 14251524), (54, 11876270), (60, 10688643), (63, 10179660), (70, 9161694), (84, 7634745), (90, 7125762), (105, 6107796), (108, 5938135), (126, 5089830), (135, 4750508), (140, 4580847), (180, 3562881), (189, 3393220), (210, 3053898), (252, 2544915), (270, 2375254), (315, 2035932), (378, 1696610), (420, 1526949), (540, 1187627), (630, 1017966), (756, 848305), (945, 678644), (1260, 508983), (1890, 339322), (3780, 169661)]