81207480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29423}}^1$

素因数の和:29460

約数の個数: 64

約数和(自身を含む): 254223360

約数和(自身を除く): 173015880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 29423, 58846, 88269, 117692, 147115, 176538, 235384, 294230, 353076, 441345, 588460, 676729, 706152, 882690, 1176920, 1353458, 1765380, 2030187, 2706916, 3383645, 3530760, 4060374, 5413832, 6767290, 8120748, 10150935, 13534580, 16241496, 20301870, 27069160, 40603740, 81207480]

約数ペア:

[(1, 81207480), (2, 40603740), (3, 27069160), (4, 20301870), (5, 16241496), (6, 13534580), (8, 10150935), (10, 8120748), (12, 6767290), (15, 5413832), (20, 4060374), (23, 3530760), (24, 3383645), (30, 2706916), (40, 2030187), (46, 1765380), (60, 1353458), (69, 1176920), (92, 882690), (115, 706152), (120, 676729), (138, 588460), (184, 441345), (230, 353076), (276, 294230), (345, 235384), (460, 176538), (552, 147115), (690, 117692), (920, 88269), (1380, 58846), (2760, 29423)]