87971580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2153}}^1$

素因数の和:2395

約数の個数: 72

約数和(自身を含む): 268147152

約数和(自身を除く): 180175572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 1135, 1362, 2043, 2153, 2270, 2724, 3405, 4086, 4306, 4540, 6459, 6810, 8172, 8612, 10215, 10765, 12918, 13620, 19377, 20430, 21530, 25836, 32295, 38754, 40860, 43060, 64590, 77508, 96885, 129180, 193770, 387540, 488731, 977462, 1466193, 1954924, 2443655, 2932386, 4398579, 4887310, 5864772, 7330965, 8797158, 9774620, 14661930, 17594316, 21992895, 29323860, 43985790, 87971580]

約数ペア:

[(1, 87971580), (2, 43985790), (3, 29323860), (4, 21992895), (5, 17594316), (6, 14661930), (9, 9774620), (10, 8797158), (12, 7330965), (15, 5864772), (18, 4887310), (20, 4398579), (30, 2932386), (36, 2443655), (45, 1954924), (60, 1466193), (90, 977462), (180, 488731), (227, 387540), (454, 193770), (681, 129180), (908, 96885), (1135, 77508), (1362, 64590), (2043, 43060), (2153, 40860), (2270, 38754), (2724, 32295), (3405, 25836), (4086, 21530), (4306, 20430), (4540, 19377), (6459, 13620), (6810, 12918), (8172, 10765), (8612, 10215)]