640923696

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{635837}}^1$

素因数の和:635858

約数の個数: 60

約数和(自身を含む): 2049941712

約数和(自身を除く): 1409018016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 635837, 1271674, 1907511, 2543348, 3815022, 4450859, 5086696, 5722533, 7630044, 8901718, 10173392, 11445066, 13352577, 15260088, 17803436, 22890132, 26705154, 30520176, 35606872, 40057731, 45780264, 53410308, 71213744, 80115462, 91560528, 106820616, 160230924, 213641232, 320461848, 640923696]

約数ペア:

[(1, 640923696), (2, 320461848), (3, 213641232), (4, 160230924), (6, 106820616), (7, 91560528), (8, 80115462), (9, 71213744), (12, 53410308), (14, 45780264), (16, 40057731), (18, 35606872), (21, 30520176), (24, 26705154), (28, 22890132), (36, 17803436), (42, 15260088), (48, 13352577), (56, 11445066), (63, 10173392), (72, 8901718), (84, 7630044), (112, 5722533), (126, 5086696), (144, 4450859), (168, 3815022), (252, 2543348), (336, 1907511), (504, 1271674), (1008, 635837)]