81075984

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3571}}^1$

素因数の和:3636

約数の個数: 80

約数和(自身を含む): 233865984

約数和(自身を除く): 152790000

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 43, 44, 48, 66, 86, 88, 129, 132, 172, 176, 258, 264, 344, 473, 516, 528, 688, 946, 1032, 1419, 1892, 2064, 2838, 3571, 3784, 5676, 7142, 7568, 10713, 11352, 14284, 21426, 22704, 28568, 39281, 42852, 57136, 78562, 85704, 117843, 153553, 157124, 171408, 235686, 307106, 314248, 460659, 471372, 614212, 628496, 921318, 942744, 1228424, 1689083, 1842636, 1885488, 2456848, 3378166, 3685272, 5067249, 6756332, 7370544, 10134498, 13512664, 20268996, 27025328, 40537992, 81075984]

約数ペア:

[(1, 81075984), (2, 40537992), (3, 27025328), (4, 20268996), (6, 13512664), (8, 10134498), (11, 7370544), (12, 6756332), (16, 5067249), (22, 3685272), (24, 3378166), (33, 2456848), (43, 1885488), (44, 1842636), (48, 1689083), (66, 1228424), (86, 942744), (88, 921318), (129, 628496), (132, 614212), (172, 471372), (176, 460659), (258, 314248), (264, 307106), (344, 235686), (473, 171408), (516, 157124), (528, 153553), (688, 117843), (946, 85704), (1032, 78562), (1419, 57136), (1892, 42852), (2064, 39281), (2838, 28568), (3571, 22704), (3784, 21426), (5676, 14284), (7142, 11352), (7568, 10713)]