81145380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:625

約数の個数: 96

約数和(自身を含む): 239468544

約数和(自身を除く): 158323164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 127, 138, 230, 254, 276, 345, 381, 460, 463, 508, 635, 690, 762, 926, 1270, 1380, 1389, 1524, 1852, 1905, 2315, 2540, 2778, 2921, 3810, 4630, 5556, 5842, 6945, 7620, 8763, 9260, 10649, 11684, 13890, 14605, 17526, 21298, 27780, 29210, 31947, 35052, 42596, 43815, 53245, 58420, 58801, 63894, 87630, 106490, 117602, 127788, 159735, 175260, 176403, 212980, 235204, 294005, 319470, 352806, 588010, 638940, 705612, 882015, 1176020, 1352423, 1764030, 2704846, 3528060, 4057269, 5409692, 6762115, 8114538, 13524230, 16229076, 20286345, 27048460, 40572690, 81145380]

約数ペア:

[(1, 81145380), (2, 40572690), (3, 27048460), (4, 20286345), (5, 16229076), (6, 13524230), (10, 8114538), (12, 6762115), (15, 5409692), (20, 4057269), (23, 3528060), (30, 2704846), (46, 1764030), (60, 1352423), (69, 1176020), (92, 882015), (115, 705612), (127, 638940), (138, 588010), (230, 352806), (254, 319470), (276, 294005), (345, 235204), (381, 212980), (460, 176403), (463, 175260), (508, 159735), (635, 127788), (690, 117602), (762, 106490), (926, 87630), (1270, 63894), (1380, 58801), (1389, 58420), (1524, 53245), (1852, 43815), (1905, 42596), (2315, 35052), (2540, 31947), (2778, 29210), (2921, 27780), (3810, 21298), (4630, 17526), (5556, 14605), (5842, 13890), (6945, 11684), (7620, 10649), (8763, 9260)]