12901860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 39432120

約数和(自身を除く): 26530260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 313, 458, 626, 687, 916, 939, 1145, 1252, 1374, 1565, 1878, 2061, 2290, 2748, 2817, 3130, 3435, 3756, 4122, 4580, 4695, 5634, 6260, 6870, 8244, 9390, 10305, 11268, 13740, 14085, 18780, 20610, 28170, 41220, 56340, 71677, 143354, 215031, 286708, 358385, 430062, 645093, 716770, 860124, 1075155, 1290186, 1433540, 2150310, 2580372, 3225465, 4300620, 6450930, 12901860]

約数ペア:

[(1, 12901860), (2, 6450930), (3, 4300620), (4, 3225465), (5, 2580372), (6, 2150310), (9, 1433540), (10, 1290186), (12, 1075155), (15, 860124), (18, 716770), (20, 645093), (30, 430062), (36, 358385), (45, 286708), (60, 215031), (90, 143354), (180, 71677), (229, 56340), (313, 41220), (458, 28170), (626, 20610), (687, 18780), (916, 14085), (939, 13740), (1145, 11268), (1252, 10305), (1374, 9390), (1565, 8244), (1878, 6870), (2061, 6260), (2290, 5634), (2748, 4695), (2817, 4580), (3130, 4122), (3435, 3756)]