123068920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{761}}^1$

素因数の和:1096

約数の個数: 64

約数和(自身を含む): 299557440

約数和(自身を除く): 176488520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 311, 520, 622, 761, 1244, 1522, 1555, 2488, 3044, 3110, 3805, 4043, 6088, 6220, 7610, 8086, 9893, 12440, 15220, 16172, 19786, 20215, 30440, 32344, 39572, 40430, 49465, 79144, 80860, 98930, 161720, 197860, 236671, 395720, 473342, 946684, 1183355, 1893368, 2366710, 3076723, 4733420, 6153446, 9466840, 12306892, 15383615, 24613784, 30767230, 61534460, 123068920]

約数ペア:

[(1, 123068920), (2, 61534460), (4, 30767230), (5, 24613784), (8, 15383615), (10, 12306892), (13, 9466840), (20, 6153446), (26, 4733420), (40, 3076723), (52, 2366710), (65, 1893368), (104, 1183355), (130, 946684), (260, 473342), (311, 395720), (520, 236671), (622, 197860), (761, 161720), (1244, 98930), (1522, 80860), (1555, 79144), (2488, 49465), (3044, 40430), (3110, 39572), (3805, 32344), (4043, 30440), (6088, 20215), (6220, 19786), (7610, 16172), (8086, 15220), (9893, 12440)]