243997020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{8117}}^1$

素因数の和:8299

約数の個数: 72

約数和(自身を含む): 744647904

約数和(自身を除く): 500650884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 668, 835, 1002, 1503, 1670, 2004, 2505, 3006, 3340, 5010, 6012, 7515, 8117, 10020, 15030, 16234, 24351, 30060, 32468, 40585, 48702, 73053, 81170, 97404, 121755, 146106, 162340, 243510, 292212, 365265, 487020, 730530, 1355539, 1461060, 2711078, 4066617, 5422156, 6777695, 8133234, 12199851, 13555390, 16266468, 20333085, 24399702, 27110780, 40666170, 48799404, 60999255, 81332340, 121998510, 243997020]

約数ペア:

[(1, 243997020), (2, 121998510), (3, 81332340), (4, 60999255), (5, 48799404), (6, 40666170), (9, 27110780), (10, 24399702), (12, 20333085), (15, 16266468), (18, 13555390), (20, 12199851), (30, 8133234), (36, 6777695), (45, 5422156), (60, 4066617), (90, 2711078), (167, 1461060), (180, 1355539), (334, 730530), (501, 487020), (668, 365265), (835, 292212), (1002, 243510), (1503, 162340), (1670, 146106), (2004, 121755), (2505, 97404), (3006, 81170), (3340, 73053), (5010, 48702), (6012, 40585), (7515, 32468), (8117, 30060), (10020, 24351), (15030, 16234)]