81206760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35617}}^1$

素因数の和:35650

約数の個数: 64

約数和(自身を含む): 256449600

約数和(自身を除く): 175242840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 35617, 71234, 106851, 142468, 178085, 213702, 284936, 356170, 427404, 534255, 676723, 712340, 854808, 1068510, 1353446, 1424680, 2030169, 2137020, 2706892, 3383615, 4060338, 4274040, 5413784, 6767230, 8120676, 10150845, 13534460, 16241352, 20301690, 27068920, 40603380, 81206760]

約数ペア:

[(1, 81206760), (2, 40603380), (3, 27068920), (4, 20301690), (5, 16241352), (6, 13534460), (8, 10150845), (10, 8120676), (12, 6767230), (15, 5413784), (19, 4274040), (20, 4060338), (24, 3383615), (30, 2706892), (38, 2137020), (40, 2030169), (57, 1424680), (60, 1353446), (76, 1068510), (95, 854808), (114, 712340), (120, 676723), (152, 534255), (190, 427404), (228, 356170), (285, 284936), (380, 213702), (456, 178085), (570, 142468), (760, 106851), (1140, 71234), (2280, 35617)]