2688360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 8268480

約数和(自身を除く): 5580120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 521, 645, 860, 1032, 1042, 1290, 1563, 1720, 2084, 2580, 2605, 3126, 4168, 5160, 5210, 6252, 7815, 10420, 12504, 15630, 20840, 22403, 31260, 44806, 62520, 67209, 89612, 112015, 134418, 179224, 224030, 268836, 336045, 448060, 537672, 672090, 896120, 1344180, 2688360]

約数ペア:

[(1, 2688360), (2, 1344180), (3, 896120), (4, 672090), (5, 537672), (6, 448060), (8, 336045), (10, 268836), (12, 224030), (15, 179224), (20, 134418), (24, 112015), (30, 89612), (40, 67209), (43, 62520), (60, 44806), (86, 31260), (120, 22403), (129, 20840), (172, 15630), (215, 12504), (258, 10420), (344, 7815), (430, 6252), (516, 5210), (521, 5160), (645, 4168), (860, 3126), (1032, 2605), (1042, 2580), (1290, 2084), (1563, 1720)]