66396840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1249}}^1$

素因数の和:1706

約数の個数: 64

約数和(自身を含む): 199800000

約数和(自身を除く): 133403160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 443, 886, 1249, 1329, 1772, 2215, 2498, 2658, 3544, 3747, 4430, 4996, 5316, 6245, 6645, 7494, 8860, 9992, 10632, 12490, 13290, 14988, 17720, 18735, 24980, 26580, 29976, 37470, 49960, 53160, 74940, 149880, 553307, 1106614, 1659921, 2213228, 2766535, 3319842, 4426456, 5533070, 6639684, 8299605, 11066140, 13279368, 16599210, 22132280, 33198420, 66396840]

約数ペア:

[(1, 66396840), (2, 33198420), (3, 22132280), (4, 16599210), (5, 13279368), (6, 11066140), (8, 8299605), (10, 6639684), (12, 5533070), (15, 4426456), (20, 3319842), (24, 2766535), (30, 2213228), (40, 1659921), (60, 1106614), (120, 553307), (443, 149880), (886, 74940), (1249, 53160), (1329, 49960), (1772, 37470), (2215, 29976), (2498, 26580), (2658, 24980), (3544, 18735), (3747, 17720), (4430, 14988), (4996, 13290), (5316, 12490), (6245, 10632), (6645, 9992), (7494, 8860)]