78870045

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 140083200

約数和(自身を除く): 61213155

約数列:

[1, 3, 5, 15, 19, 31, 57, 79, 93, 95, 113, 155, 237, 285, 339, 395, 465, 565, 589, 1185, 1501, 1695, 1767, 2147, 2449, 2945, 3503, 4503, 6441, 7347, 7505, 8835, 8927, 10509, 10735, 12245, 17515, 22515, 26781, 32205, 36735, 44635, 46531, 52545, 66557, 133905, 139593, 169613, 199671, 232655, 276737, 332785, 508839, 697965, 830211, 848065, 998355, 1383685, 2544195, 4151055, 5258003, 15774009, 26290015, 78870045]

約数ペア:

[(1, 78870045), (3, 26290015), (5, 15774009), (15, 5258003), (19, 4151055), (31, 2544195), (57, 1383685), (79, 998355), (93, 848065), (95, 830211), (113, 697965), (155, 508839), (237, 332785), (285, 276737), (339, 232655), (395, 199671), (465, 169613), (565, 139593), (589, 133905), (1185, 66557), (1501, 52545), (1695, 46531), (1767, 44635), (2147, 36735), (2449, 32205), (2945, 26781), (3503, 22515), (4503, 17515), (6441, 12245), (7347, 10735), (7505, 10509), (8835, 8927)]