2018040525

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{1249}}^1$

素因数の和:1475

約数の個数: 72

約数和(自身を含む): 3723720000

約数和(自身を除く): 1705679475

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 167, 215, 225, 387, 501, 645, 835, 1075, 1249, 1503, 1935, 2505, 3225, 3747, 4175, 6245, 7181, 7515, 9675, 11241, 12525, 18735, 21543, 31225, 35905, 37575, 53707, 56205, 64629, 93675, 107715, 161121, 179525, 208583, 268535, 281025, 323145, 483363, 538575, 625749, 805605, 1042915, 1342675, 1615725, 1877247, 2416815, 3128745, 4028025, 5214575, 8969069, 9386235, 12084075, 15643725, 26907207, 44845345, 46931175, 80721621, 134536035, 224226725, 403608105, 672680175, 2018040525]

約数ペア:

[(1, 2018040525), (3, 672680175), (5, 403608105), (9, 224226725), (15, 134536035), (25, 80721621), (43, 46931175), (45, 44845345), (75, 26907207), (129, 15643725), (167, 12084075), (215, 9386235), (225, 8969069), (387, 5214575), (501, 4028025), (645, 3128745), (835, 2416815), (1075, 1877247), (1249, 1615725), (1503, 1342675), (1935, 1042915), (2505, 805605), (3225, 625749), (3747, 538575), (4175, 483363), (6245, 323145), (7181, 281025), (7515, 268535), (9675, 208583), (11241, 179525), (12525, 161121), (18735, 107715), (21543, 93675), (31225, 64629), (35905, 56205), (37575, 53707)]