90725580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45821}}^1$

素因数の和:45847

約数の個数: 72

約数和(自身を含む): 300225744

約数和(自身を除く): 209500164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 45821, 91642, 137463, 183284, 229105, 274926, 412389, 458210, 504031, 549852, 687315, 824778, 916420, 1008062, 1374630, 1512093, 1649556, 2016124, 2061945, 2520155, 2749260, 3024186, 4123890, 4536279, 5040310, 6048372, 7560465, 8247780, 9072558, 10080620, 15120930, 18145116, 22681395, 30241860, 45362790, 90725580]

約数ペア:

[(1, 90725580), (2, 45362790), (3, 30241860), (4, 22681395), (5, 18145116), (6, 15120930), (9, 10080620), (10, 9072558), (11, 8247780), (12, 7560465), (15, 6048372), (18, 5040310), (20, 4536279), (22, 4123890), (30, 3024186), (33, 2749260), (36, 2520155), (44, 2061945), (45, 2016124), (55, 1649556), (60, 1512093), (66, 1374630), (90, 1008062), (99, 916420), (110, 824778), (132, 687315), (165, 549852), (180, 504031), (198, 458210), (220, 412389), (330, 274926), (396, 229105), (495, 183284), (660, 137463), (990, 91642), (1980, 45821)]