40257180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1609}}^1$

素因数の和:1763

約数の個数: 72

約数和(自身を含む): 123068400

約数和(自身を除く): 82811220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1609, 1668, 2085, 2502, 2780, 3218, 4170, 4827, 5004, 6255, 6436, 8045, 8340, 9654, 12510, 14481, 16090, 19308, 24135, 25020, 28962, 32180, 48270, 57924, 72405, 96540, 144810, 223651, 289620, 447302, 670953, 894604, 1118255, 1341906, 2012859, 2236510, 2683812, 3354765, 4025718, 4473020, 6709530, 8051436, 10064295, 13419060, 20128590, 40257180]

約数ペア:

[(1, 40257180), (2, 20128590), (3, 13419060), (4, 10064295), (5, 8051436), (6, 6709530), (9, 4473020), (10, 4025718), (12, 3354765), (15, 2683812), (18, 2236510), (20, 2012859), (30, 1341906), (36, 1118255), (45, 894604), (60, 670953), (90, 447302), (139, 289620), (180, 223651), (278, 144810), (417, 96540), (556, 72405), (695, 57924), (834, 48270), (1251, 32180), (1390, 28962), (1609, 25020), (1668, 24135), (2085, 19308), (2502, 16090), (2780, 14481), (3218, 12510), (4170, 9654), (4827, 8340), (5004, 8045), (6255, 6436)]