18453720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2521}}^1$

素因数の和:2596

約数の個数: 64

約数和(自身を含む): 56291040

約数和(自身を除く): 37837320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 2521, 3660, 5042, 7320, 7563, 10084, 12605, 15126, 20168, 25210, 30252, 37815, 50420, 60504, 75630, 100840, 151260, 153781, 302520, 307562, 461343, 615124, 768905, 922686, 1230248, 1537810, 1845372, 2306715, 3075620, 3690744, 4613430, 6151240, 9226860, 18453720]

約数ペア:

[(1, 18453720), (2, 9226860), (3, 6151240), (4, 4613430), (5, 3690744), (6, 3075620), (8, 2306715), (10, 1845372), (12, 1537810), (15, 1230248), (20, 922686), (24, 768905), (30, 615124), (40, 461343), (60, 307562), (61, 302520), (120, 153781), (122, 151260), (183, 100840), (244, 75630), (305, 60504), (366, 50420), (488, 37815), (610, 30252), (732, 25210), (915, 20168), (1220, 15126), (1464, 12605), (1830, 10084), (2440, 7563), (2521, 7320), (3660, 5042)]