1819740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2333}}^1$

素因数の和:2358

約数の個数: 48

約数和(自身を含む): 5489568

約数和(自身を除く): 3669828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2333, 4666, 6999, 9332, 11665, 13998, 23330, 27996, 30329, 34995, 46660, 60658, 69990, 90987, 121316, 139980, 151645, 181974, 303290, 363948, 454935, 606580, 909870, 1819740]

約数ペア:

[(1, 1819740), (2, 909870), (3, 606580), (4, 454935), (5, 363948), (6, 303290), (10, 181974), (12, 151645), (13, 139980), (15, 121316), (20, 90987), (26, 69990), (30, 60658), (39, 46660), (52, 34995), (60, 30329), (65, 27996), (78, 23330), (130, 13998), (156, 11665), (195, 9332), (260, 6999), (390, 4666), (780, 2333)]