205662120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39857}}^1$

素因数の和:39914

約数の個数: 64

約数和(自身を含む): 631350720

約数和(自身を除く): 425688600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 39857, 79714, 119571, 159428, 199285, 239142, 318856, 398570, 478284, 597855, 797140, 956568, 1195710, 1594280, 1713851, 2391420, 3427702, 4782840, 5141553, 6855404, 8569255, 10283106, 13710808, 17138510, 20566212, 25707765, 34277020, 41132424, 51415530, 68554040, 102831060, 205662120]

約数ペア:

[(1, 205662120), (2, 102831060), (3, 68554040), (4, 51415530), (5, 41132424), (6, 34277020), (8, 25707765), (10, 20566212), (12, 17138510), (15, 13710808), (20, 10283106), (24, 8569255), (30, 6855404), (40, 5141553), (43, 4782840), (60, 3427702), (86, 2391420), (120, 1713851), (129, 1594280), (172, 1195710), (215, 956568), (258, 797140), (344, 597855), (430, 478284), (516, 398570), (645, 318856), (860, 239142), (1032, 199285), (1290, 159428), (1720, 119571), (2580, 79714), (5160, 39857)]