260428980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1381}}^1$

素因数の和:1849

約数の個数: 96

約数和(自身を含む): 835833600

約数和(自身を除く): 575404620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 449, 898, 1347, 1381, 1796, 2245, 2694, 2762, 3143, 4143, 4490, 5388, 5524, 6286, 6735, 6905, 8286, 8980, 9429, 9667, 12572, 13470, 13810, 15715, 16572, 18858, 19334, 20715, 26940, 27620, 29001, 31430, 37716, 38668, 41430, 47145, 48335, 58002, 62860, 82860, 94290, 96670, 116004, 145005, 188580, 193340, 290010, 580020, 620069, 1240138, 1860207, 2480276, 3100345, 3720414, 4340483, 6200690, 7440828, 8680966, 9301035, 12401380, 13021449, 17361932, 18602070, 21702415, 26042898, 37204140, 43404830, 52085796, 65107245, 86809660, 130214490, 260428980]

約数ペア:

[(1, 260428980), (2, 130214490), (3, 86809660), (4, 65107245), (5, 52085796), (6, 43404830), (7, 37204140), (10, 26042898), (12, 21702415), (14, 18602070), (15, 17361932), (20, 13021449), (21, 12401380), (28, 9301035), (30, 8680966), (35, 7440828), (42, 6200690), (60, 4340483), (70, 3720414), (84, 3100345), (105, 2480276), (140, 1860207), (210, 1240138), (420, 620069), (449, 580020), (898, 290010), (1347, 193340), (1381, 188580), (1796, 145005), (2245, 116004), (2694, 96670), (2762, 94290), (3143, 82860), (4143, 62860), (4490, 58002), (5388, 48335), (5524, 47145), (6286, 41430), (6735, 38668), (6905, 37716), (8286, 31430), (8980, 29001), (9429, 27620), (9667, 26940), (12572, 20715), (13470, 19334), (13810, 18858), (15715, 16572)]