8457540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1581

約数の個数: 96

約数和(自身を含む): 29164800

約数和(自身を除く): 20707260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1549, 1820, 2730, 3098, 4647, 5460, 6196, 7745, 9294, 10843, 15490, 18588, 20137, 21686, 23235, 30980, 32529, 40274, 43372, 46470, 54215, 60411, 65058, 80548, 92940, 100685, 108430, 120822, 130116, 140959, 162645, 201370, 216860, 241644, 281918, 302055, 325290, 402740, 422877, 563836, 604110, 650580, 704795, 845754, 1208220, 1409590, 1691508, 2114385, 2819180, 4228770, 8457540]

約数ペア:

[(1, 8457540), (2, 4228770), (3, 2819180), (4, 2114385), (5, 1691508), (6, 1409590), (7, 1208220), (10, 845754), (12, 704795), (13, 650580), (14, 604110), (15, 563836), (20, 422877), (21, 402740), (26, 325290), (28, 302055), (30, 281918), (35, 241644), (39, 216860), (42, 201370), (52, 162645), (60, 140959), (65, 130116), (70, 120822), (78, 108430), (84, 100685), (91, 92940), (105, 80548), (130, 65058), (140, 60411), (156, 54215), (182, 46470), (195, 43372), (210, 40274), (260, 32529), (273, 30980), (364, 23235), (390, 21686), (420, 20137), (455, 18588), (546, 15490), (780, 10843), (910, 9294), (1092, 7745), (1365, 6196), (1549, 5460), (1820, 4647), (2730, 3098)]