1688040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{521}}^1$

素因数の和:544

約数の個数: 80

約数和(自身を含む): 5684580

約数和(自身を除く): 3996540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 521, 540, 648, 810, 1042, 1080, 1563, 1620, 2084, 2605, 3126, 3240, 4168, 4689, 5210, 6252, 7815, 9378, 10420, 12504, 14067, 15630, 18756, 20840, 23445, 28134, 31260, 37512, 42201, 46890, 56268, 62520, 70335, 84402, 93780, 112536, 140670, 168804, 187560, 211005, 281340, 337608, 422010, 562680, 844020, 1688040]

約数ペア:

[(1, 1688040), (2, 844020), (3, 562680), (4, 422010), (5, 337608), (6, 281340), (8, 211005), (9, 187560), (10, 168804), (12, 140670), (15, 112536), (18, 93780), (20, 84402), (24, 70335), (27, 62520), (30, 56268), (36, 46890), (40, 42201), (45, 37512), (54, 31260), (60, 28134), (72, 23445), (81, 20840), (90, 18756), (108, 15630), (120, 14067), (135, 12504), (162, 10420), (180, 9378), (216, 7815), (270, 6252), (324, 5210), (360, 4689), (405, 4168), (521, 3240), (540, 3126), (648, 2605), (810, 2084), (1042, 1620), (1080, 1563)]