640474272

素因数分解:

$2^5\times 3^2\times {\mathrm{2223869}}^1$

素因数の和:2223885

約数の個数: 36

約数和(自身を含む): 1821349530

約数和(自身を除く): 1180875258

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 2223869, 4447738, 6671607, 8895476, 13343214, 17790952, 20014821, 26686428, 35581904, 40029642, 53372856, 71163808, 80059284, 106745712, 160118568, 213491424, 320237136, 640474272]

約数ペア:

[(1, 640474272), (2, 320237136), (3, 213491424), (4, 160118568), (6, 106745712), (8, 80059284), (9, 71163808), (12, 53372856), (16, 40029642), (18, 35581904), (24, 26686428), (32, 20014821), (36, 17790952), (48, 13343214), (72, 8895476), (96, 6671607), (144, 4447738), (288, 2223869)]