18264240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25367}}^1$

素因数の和:25386

約数の個数: 60

約数和(自身を含む): 61339824

約数和(自身を除く): 43075584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25367, 50734, 76101, 101468, 126835, 152202, 202936, 228303, 253670, 304404, 380505, 405872, 456606, 507340, 608808, 761010, 913212, 1014680, 1141515, 1217616, 1522020, 1826424, 2029360, 2283030, 3044040, 3652848, 4566060, 6088080, 9132120, 18264240]

約数ペア:

[(1, 18264240), (2, 9132120), (3, 6088080), (4, 4566060), (5, 3652848), (6, 3044040), (8, 2283030), (9, 2029360), (10, 1826424), (12, 1522020), (15, 1217616), (16, 1141515), (18, 1014680), (20, 913212), (24, 761010), (30, 608808), (36, 507340), (40, 456606), (45, 405872), (48, 380505), (60, 304404), (72, 253670), (80, 228303), (90, 202936), (120, 152202), (144, 126835), (180, 101468), (240, 76101), (360, 50734), (720, 25367)]