67561815

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 120384000

約数和(自身を除く): 52822185

約数列:

[1, 3, 5, 15, 19, 37, 43, 57, 95, 111, 129, 149, 185, 215, 285, 447, 555, 645, 703, 745, 817, 1591, 2109, 2235, 2451, 2831, 3515, 4085, 4773, 5513, 6407, 7955, 8493, 10545, 12255, 14155, 16539, 19221, 23865, 27565, 30229, 32035, 42465, 82695, 90687, 96105, 104747, 121733, 151145, 237059, 314241, 365199, 453435, 523735, 608665, 711177, 1185295, 1571205, 1825995, 3555885, 4504121, 13512363, 22520605, 67561815]

約数ペア:

[(1, 67561815), (3, 22520605), (5, 13512363), (15, 4504121), (19, 3555885), (37, 1825995), (43, 1571205), (57, 1185295), (95, 711177), (111, 608665), (129, 523735), (149, 453435), (185, 365199), (215, 314241), (285, 237059), (447, 151145), (555, 121733), (645, 104747), (703, 96105), (745, 90687), (817, 82695), (1591, 42465), (2109, 32035), (2235, 30229), (2451, 27565), (2831, 23865), (3515, 19221), (4085, 16539), (4773, 14155), (5513, 12255), (6407, 10545), (7955, 8493)]