1208168820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{13451}}^1$

素因数の和:13965

約数の個数: 72

約数和(自身を含む): 3672396000

約数和(自身を除く): 2464227180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1497, 1996, 2495, 2994, 4491, 4990, 5988, 7485, 8982, 9980, 13451, 14970, 17964, 22455, 26902, 29940, 40353, 44910, 53804, 67255, 80706, 89820, 121059, 134510, 161412, 201765, 242118, 269020, 403530, 484236, 605295, 807060, 1210590, 2421180, 6712049, 13424098, 20136147, 26848196, 33560245, 40272294, 60408441, 67120490, 80544588, 100680735, 120816882, 134240980, 201361470, 241633764, 302042205, 402722940, 604084410, 1208168820]

約数ペア:

[(1, 1208168820), (2, 604084410), (3, 402722940), (4, 302042205), (5, 241633764), (6, 201361470), (9, 134240980), (10, 120816882), (12, 100680735), (15, 80544588), (18, 67120490), (20, 60408441), (30, 40272294), (36, 33560245), (45, 26848196), (60, 20136147), (90, 13424098), (180, 6712049), (499, 2421180), (998, 1210590), (1497, 807060), (1996, 605295), (2495, 484236), (2994, 403530), (4491, 269020), (4990, 242118), (5988, 201765), (7485, 161412), (8982, 134510), (9980, 121059), (13451, 89820), (14970, 80706), (17964, 67255), (22455, 53804), (26902, 44910), (29940, 40353)]