61960940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 139934592

約数和(自身を除く): 77973652

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 73, 74, 124, 146, 148, 155, 185, 292, 310, 365, 370, 620, 730, 740, 1147, 1369, 1460, 2263, 2294, 2701, 2738, 4526, 4588, 5402, 5476, 5735, 6845, 9052, 10804, 11315, 11470, 13505, 13690, 22630, 22940, 27010, 27380, 42439, 45260, 54020, 83731, 84878, 99937, 167462, 169756, 199874, 212195, 334924, 399748, 418655, 424390, 499685, 837310, 848780, 999370, 1674620, 1998740, 3098047, 6196094, 12392188, 15490235, 30980470, 61960940]

約数ペア:

[(1, 61960940), (2, 30980470), (4, 15490235), (5, 12392188), (10, 6196094), (20, 3098047), (31, 1998740), (37, 1674620), (62, 999370), (73, 848780), (74, 837310), (124, 499685), (146, 424390), (148, 418655), (155, 399748), (185, 334924), (292, 212195), (310, 199874), (365, 169756), (370, 167462), (620, 99937), (730, 84878), (740, 83731), (1147, 54020), (1369, 45260), (1460, 42439), (2263, 27380), (2294, 27010), (2701, 22940), (2738, 22630), (4526, 13690), (4588, 13505), (5402, 11470), (5476, 11315), (5735, 10804), (6845, 9052)]