78804090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{359}}^1$

素因数の和:649

約数の個数: 80

約数和(自身を含む): 213269760

約数和(自身を除く): 134465670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 271, 359, 405, 542, 718, 810, 813, 1077, 1355, 1626, 1795, 2154, 2439, 2710, 3231, 3590, 4065, 4878, 5385, 6462, 7317, 8130, 9693, 10770, 12195, 14634, 16155, 19386, 21951, 24390, 29079, 32310, 36585, 43902, 48465, 58158, 73170, 96930, 97289, 109755, 145395, 194578, 219510, 290790, 291867, 486445, 583734, 875601, 972890, 1459335, 1751202, 2626803, 2918670, 4378005, 5253606, 7880409, 8756010, 13134015, 15760818, 26268030, 39402045, 78804090]

約数ペア:

[(1, 78804090), (2, 39402045), (3, 26268030), (5, 15760818), (6, 13134015), (9, 8756010), (10, 7880409), (15, 5253606), (18, 4378005), (27, 2918670), (30, 2626803), (45, 1751202), (54, 1459335), (81, 972890), (90, 875601), (135, 583734), (162, 486445), (270, 291867), (271, 290790), (359, 219510), (405, 194578), (542, 145395), (718, 109755), (810, 97289), (813, 96930), (1077, 73170), (1355, 58158), (1626, 48465), (1795, 43902), (2154, 36585), (2439, 32310), (2710, 29079), (3231, 24390), (3590, 21951), (4065, 19386), (4878, 16155), (5385, 14634), (6462, 12195), (7317, 10770), (8130, 9693)]