128620620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1613}}^1$

素因数の和:2071

約数の個数: 72

約数和(自身を含む): 391272336

約数和(自身を除く): 262651716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 886, 1329, 1613, 1772, 2215, 2658, 3226, 3987, 4430, 4839, 5316, 6452, 6645, 7974, 8065, 8860, 9678, 13290, 14517, 15948, 16130, 19356, 19935, 24195, 26580, 29034, 32260, 39870, 48390, 58068, 72585, 79740, 96780, 145170, 290340, 714559, 1429118, 2143677, 2858236, 3572795, 4287354, 6431031, 7145590, 8574708, 10718385, 12862062, 14291180, 21436770, 25724124, 32155155, 42873540, 64310310, 128620620]

約数ペア:

[(1, 128620620), (2, 64310310), (3, 42873540), (4, 32155155), (5, 25724124), (6, 21436770), (9, 14291180), (10, 12862062), (12, 10718385), (15, 8574708), (18, 7145590), (20, 6431031), (30, 4287354), (36, 3572795), (45, 2858236), (60, 2143677), (90, 1429118), (180, 714559), (443, 290340), (886, 145170), (1329, 96780), (1613, 79740), (1772, 72585), (2215, 58068), (2658, 48390), (3226, 39870), (3987, 32260), (4430, 29034), (4839, 26580), (5316, 24195), (6452, 19935), (6645, 19356), (7974, 16130), (8065, 15948), (8860, 14517), (9678, 13290)]