72780804

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 188639360

約数和(自身を除く): 115858556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 157, 158, 163, 237, 314, 316, 326, 471, 474, 489, 628, 652, 711, 942, 948, 978, 1413, 1422, 1467, 1884, 1956, 2826, 2844, 2934, 5652, 5868, 12403, 12877, 24806, 25591, 25754, 37209, 38631, 49612, 51182, 51508, 74418, 76773, 77262, 102364, 111627, 115893, 148836, 153546, 154524, 223254, 230319, 231786, 307092, 446508, 460638, 463572, 921276, 2021689, 4043378, 6065067, 8086756, 12130134, 18195201, 24260268, 36390402, 72780804]

約数ペア:

[(1, 72780804), (2, 36390402), (3, 24260268), (4, 18195201), (6, 12130134), (9, 8086756), (12, 6065067), (18, 4043378), (36, 2021689), (79, 921276), (157, 463572), (158, 460638), (163, 446508), (237, 307092), (314, 231786), (316, 230319), (326, 223254), (471, 154524), (474, 153546), (489, 148836), (628, 115893), (652, 111627), (711, 102364), (942, 77262), (948, 76773), (978, 74418), (1413, 51508), (1422, 51182), (1467, 49612), (1884, 38631), (1956, 37209), (2826, 25754), (2844, 25591), (2934, 24806), (5652, 12877), (5868, 12403)]