1380466945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 2061480960

約数和(自身を除く): 681014015

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 307, 331, 715, 1045, 1235, 1535, 1655, 2717, 3377, 3641, 3991, 4303, 5833, 6289, 13585, 16885, 18205, 19955, 21515, 29165, 31445, 43901, 47333, 64163, 69179, 75829, 81757, 101617, 219505, 236665, 320815, 345895, 379145, 408785, 508085, 834119, 899327, 1117787, 1321021, 1930723, 4170595, 4496635, 5588935, 6605105, 9653615, 14531231, 21237953, 25099399, 72656155, 106189765, 125496995, 276093389, 1380466945]

約数ペア:

[(1, 1380466945), (5, 276093389), (11, 125496995), (13, 106189765), (19, 72656155), (55, 25099399), (65, 21237953), (95, 14531231), (143, 9653615), (209, 6605105), (247, 5588935), (307, 4496635), (331, 4170595), (715, 1930723), (1045, 1321021), (1235, 1117787), (1535, 899327), (1655, 834119), (2717, 508085), (3377, 408785), (3641, 379145), (3991, 345895), (4303, 320815), (5833, 236665), (6289, 219505), (13585, 101617), (16885, 81757), (18205, 75829), (19955, 69179), (21515, 64163), (29165, 47333), (31445, 43901)]