27680055

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 52039680

約数和(自身を除く): 24359625

約数列:

[1, 3, 5, 13, 15, 19, 31, 39, 57, 65, 93, 95, 155, 195, 241, 247, 285, 403, 465, 589, 723, 741, 1205, 1209, 1235, 1767, 2015, 2945, 3133, 3615, 3705, 4579, 6045, 7471, 7657, 8835, 9399, 13737, 15665, 22413, 22895, 22971, 37355, 38285, 46995, 59527, 68685, 97123, 112065, 114855, 141949, 178581, 291369, 297635, 425847, 485615, 709745, 892905, 1456845, 1845337, 2129235, 5536011, 9226685, 27680055]

約数ペア:

[(1, 27680055), (3, 9226685), (5, 5536011), (13, 2129235), (15, 1845337), (19, 1456845), (31, 892905), (39, 709745), (57, 485615), (65, 425847), (93, 297635), (95, 291369), (155, 178581), (195, 141949), (241, 114855), (247, 112065), (285, 97123), (403, 68685), (465, 59527), (589, 46995), (723, 38285), (741, 37355), (1205, 22971), (1209, 22895), (1235, 22413), (1767, 15665), (2015, 13737), (2945, 9399), (3133, 8835), (3615, 7657), (3705, 7471), (4579, 6045)]