9907020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2393}}^1$

素因数の和:2431

約数の個数: 72

約数和(自身を含む): 31370976

約数和(自身を除く): 21463956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 2393, 4140, 4786, 7179, 9572, 11965, 14358, 21537, 23930, 28716, 35895, 43074, 47860, 55039, 71790, 86148, 107685, 110078, 143580, 165117, 215370, 220156, 275195, 330234, 430740, 495351, 550390, 660468, 825585, 990702, 1100780, 1651170, 1981404, 2476755, 3302340, 4953510, 9907020]

約数ペア:

[(1, 9907020), (2, 4953510), (3, 3302340), (4, 2476755), (5, 1981404), (6, 1651170), (9, 1100780), (10, 990702), (12, 825585), (15, 660468), (18, 550390), (20, 495351), (23, 430740), (30, 330234), (36, 275195), (45, 220156), (46, 215370), (60, 165117), (69, 143580), (90, 110078), (92, 107685), (115, 86148), (138, 71790), (180, 55039), (207, 47860), (230, 43074), (276, 35895), (345, 28716), (414, 23930), (460, 21537), (690, 14358), (828, 11965), (1035, 9572), (1380, 7179), (2070, 4786), (2393, 4140)]