15671080475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{523}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 21495100416

約数和(自身を除く): 5824019941

約数列:

[1, 5, 23, 25, 31, 41, 115, 155, 205, 523, 575, 713, 775, 943, 1025, 1271, 1681, 2615, 3565, 4715, 6355, 8405, 12029, 13075, 16213, 17825, 21443, 23575, 29233, 31775, 38663, 42025, 52111, 60145, 81065, 107215, 146165, 193315, 260555, 300725, 372899, 405325, 493189, 536075, 664733, 730825, 879163, 966575, 1198553, 1302775, 1864495, 2465945, 3323665, 4395815, 5992765, 9322475, 12329725, 15288859, 16618325, 20220749, 21979075, 27254053, 29963825, 76444295, 101103745, 136270265, 382221475, 505518725, 626843219, 681351325, 3134216095, 15671080475]

約数ペア:

[(1, 15671080475), (5, 3134216095), (23, 681351325), (25, 626843219), (31, 505518725), (41, 382221475), (115, 136270265), (155, 101103745), (205, 76444295), (523, 29963825), (575, 27254053), (713, 21979075), (775, 20220749), (943, 16618325), (1025, 15288859), (1271, 12329725), (1681, 9322475), (2615, 5992765), (3565, 4395815), (4715, 3323665), (6355, 2465945), (8405, 1864495), (12029, 1302775), (13075, 1198553), (16213, 966575), (17825, 879163), (21443, 730825), (23575, 664733), (29233, 536075), (31775, 493189), (38663, 405325), (42025, 372899), (52111, 300725), (60145, 260555), (81065, 193315), (107215, 146165)]