2851051860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{223087}}^1$

素因数の和:223173

約数の個数: 72

約数和(自身を含む): 8770035456

約数和(自身を除く): 5918983596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 223087, 446174, 669261, 892348, 1115435, 1338522, 2007783, 2230870, 2677044, 3346305, 4015566, 4461740, 6692610, 8031132, 10038915, 13385220, 15839177, 20077830, 31678354, 40155660, 47517531, 63356708, 79195885, 95035062, 142552593, 158391770, 190070124, 237587655, 285105186, 316783540, 475175310, 570210372, 712762965, 950350620, 1425525930, 2851051860]

約数ペア:

[(1, 2851051860), (2, 1425525930), (3, 950350620), (4, 712762965), (5, 570210372), (6, 475175310), (9, 316783540), (10, 285105186), (12, 237587655), (15, 190070124), (18, 158391770), (20, 142552593), (30, 95035062), (36, 79195885), (45, 63356708), (60, 47517531), (71, 40155660), (90, 31678354), (142, 20077830), (180, 15839177), (213, 13385220), (284, 10038915), (355, 8031132), (426, 6692610), (639, 4461740), (710, 4015566), (852, 3346305), (1065, 2677044), (1278, 2230870), (1420, 2007783), (2130, 1338522), (2556, 1115435), (3195, 892348), (4260, 669261), (6390, 446174), (12780, 223087)]