6444840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1306

約数の個数: 64

約数和(自身を含む): 19800000

約数和(自身を除く): 13355160

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, 645, 860, 1032, 1249, 1290, 1720, 2498, 2580, 3747, 4996, 5160, 6245, 7494, 9992, 12490, 14988, 18735, 24980, 29976, 37470, 49960, 53707, 74940, 107414, 149880, 161121, 214828, 268535, 322242, 429656, 537070, 644484, 805605, 1074140, 1288968, 1611210, 2148280, 3222420, 6444840]

約数ペア:

[(1, 6444840), (2, 3222420), (3, 2148280), (4, 1611210), (5, 1288968), (6, 1074140), (8, 805605), (10, 644484), (12, 537070), (15, 429656), (20, 322242), (24, 268535), (30, 214828), (40, 161121), (43, 149880), (60, 107414), (86, 74940), (120, 53707), (129, 49960), (172, 37470), (215, 29976), (258, 24980), (344, 18735), (430, 14988), (516, 12490), (645, 9992), (860, 7494), (1032, 6245), (1249, 5160), (1290, 4996), (1720, 3747), (2498, 2580)]