15678870155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1709}}^1$

素因数の和:1944

約数の個数: 64

約数和(自身を含む): 21787315200

約数和(自身を除く): 6108445045

約数列:

[1, 5, 13, 29, 31, 65, 145, 155, 157, 377, 403, 785, 899, 1709, 1885, 2015, 2041, 4495, 4553, 4867, 8545, 10205, 11687, 22217, 22765, 24335, 49561, 52979, 58435, 59189, 63271, 111085, 141143, 247805, 264895, 268313, 295945, 316355, 644293, 688727, 705715, 1341565, 1536391, 1834859, 3221465, 3443635, 3488069, 7681955, 7781077, 8317703, 9174295, 17440345, 19973083, 38905385, 41588515, 99865415, 101154001, 108130139, 241213387, 505770005, 540650695, 1206066935, 3135774031, 15678870155]

約数ペア:

[(1, 15678870155), (5, 3135774031), (13, 1206066935), (29, 540650695), (31, 505770005), (65, 241213387), (145, 108130139), (155, 101154001), (157, 99865415), (377, 41588515), (403, 38905385), (785, 19973083), (899, 17440345), (1709, 9174295), (1885, 8317703), (2015, 7781077), (2041, 7681955), (4495, 3488069), (4553, 3443635), (4867, 3221465), (8545, 1834859), (10205, 1536391), (11687, 1341565), (22217, 705715), (22765, 688727), (24335, 644293), (49561, 316355), (52979, 295945), (58435, 268313), (59189, 264895), (63271, 247805), (111085, 141143)]