67571920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1511}}^1$

素因数の和:1580

約数の個数: 80

約数和(自身を含む): 173238912

約数和(自身を除く): 105666992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1511, 1720, 2236, 2795, 3022, 3440, 4472, 5590, 6044, 7555, 8944, 11180, 12088, 15110, 19643, 22360, 24176, 30220, 39286, 44720, 60440, 64973, 78572, 98215, 120880, 129946, 157144, 196430, 259892, 314288, 324865, 392860, 519784, 649730, 785720, 844649, 1039568, 1299460, 1571440, 1689298, 2598920, 3378596, 4223245, 5197840, 6757192, 8446490, 13514384, 16892980, 33785960, 67571920]

約数ペア:

[(1, 67571920), (2, 33785960), (4, 16892980), (5, 13514384), (8, 8446490), (10, 6757192), (13, 5197840), (16, 4223245), (20, 3378596), (26, 2598920), (40, 1689298), (43, 1571440), (52, 1299460), (65, 1039568), (80, 844649), (86, 785720), (104, 649730), (130, 519784), (172, 392860), (208, 324865), (215, 314288), (260, 259892), (344, 196430), (430, 157144), (520, 129946), (559, 120880), (688, 98215), (860, 78572), (1040, 64973), (1118, 60440), (1511, 44720), (1720, 39286), (2236, 30220), (2795, 24176), (3022, 22360), (3440, 19643), (4472, 15110), (5590, 12088), (6044, 11180), (7555, 8944)]