155114765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 224985600

約数和(自身を除く): 69870835

約数列:

[1, 5, 13, 19, 29, 61, 65, 71, 95, 145, 247, 305, 355, 377, 551, 793, 923, 1159, 1235, 1349, 1769, 1885, 2059, 2755, 3965, 4331, 4615, 5795, 6745, 7163, 8845, 10295, 15067, 17537, 21655, 22997, 26767, 33611, 35815, 39121, 56303, 75335, 82289, 87685, 114985, 125599, 133835, 168055, 195605, 281515, 411445, 436943, 508573, 627995, 1069757, 1632787, 2184715, 2386381, 2542865, 5348785, 8163935, 11931905, 31022953, 155114765]

約数ペア:

[(1, 155114765), (5, 31022953), (13, 11931905), (19, 8163935), (29, 5348785), (61, 2542865), (65, 2386381), (71, 2184715), (95, 1632787), (145, 1069757), (247, 627995), (305, 508573), (355, 436943), (377, 411445), (551, 281515), (793, 195605), (923, 168055), (1159, 133835), (1235, 125599), (1349, 114985), (1769, 87685), (1885, 82289), (2059, 75335), (2755, 56303), (3965, 39121), (4331, 35815), (4615, 33611), (5795, 26767), (6745, 22997), (7163, 21655), (8845, 17537), (10295, 15067)]