1318888980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{814129}}^1$

素因数の和:814150

約数の個数: 60

約数和(自身を含む): 4137408660

約数和(自身を除く): 2818519680

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 814129, 1628258, 2442387, 3256516, 4070645, 4884774, 7327161, 8141290, 9769548, 12211935, 14654322, 16282580, 21981483, 24423870, 29308644, 36635805, 43962966, 48847740, 65944449, 73271610, 87925932, 109907415, 131888898, 146543220, 219814830, 263777796, 329722245, 439629660, 659444490, 1318888980]

約数ペア:

[(1, 1318888980), (2, 659444490), (3, 439629660), (4, 329722245), (5, 263777796), (6, 219814830), (9, 146543220), (10, 131888898), (12, 109907415), (15, 87925932), (18, 73271610), (20, 65944449), (27, 48847740), (30, 43962966), (36, 36635805), (45, 29308644), (54, 24423870), (60, 21981483), (81, 16282580), (90, 14654322), (108, 12211935), (135, 9769548), (162, 8141290), (180, 7327161), (270, 4884774), (324, 4070645), (405, 3256516), (540, 2442387), (810, 1628258), (1620, 814129)]