630858680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{8623}}^1$

素因数の和:8724

約数の個数: 64

約数和(自身を含む): 1490227200

約数和(自身を除く): 859368520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 118, 124, 155, 236, 248, 295, 310, 472, 590, 620, 1180, 1240, 1829, 2360, 3658, 7316, 8623, 9145, 14632, 17246, 18290, 34492, 36580, 43115, 68984, 73160, 86230, 172460, 267313, 344920, 508757, 534626, 1017514, 1069252, 1336565, 2035028, 2138504, 2543785, 2673130, 4070056, 5087570, 5346260, 10175140, 10692520, 15771467, 20350280, 31542934, 63085868, 78857335, 126171736, 157714670, 315429340, 630858680]

約数ペア:

[(1, 630858680), (2, 315429340), (4, 157714670), (5, 126171736), (8, 78857335), (10, 63085868), (20, 31542934), (31, 20350280), (40, 15771467), (59, 10692520), (62, 10175140), (118, 5346260), (124, 5087570), (155, 4070056), (236, 2673130), (248, 2543785), (295, 2138504), (310, 2035028), (472, 1336565), (590, 1069252), (620, 1017514), (1180, 534626), (1240, 508757), (1829, 344920), (2360, 267313), (3658, 172460), (7316, 86230), (8623, 73160), (9145, 68984), (14632, 43115), (17246, 36580), (18290, 34492)]