28478370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 72057600

約数和(自身を除く): 43579230

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 149, 230, 277, 298, 345, 447, 554, 690, 745, 831, 894, 1385, 1490, 1662, 2235, 2770, 3427, 4155, 4470, 6371, 6854, 8310, 10281, 12742, 17135, 19113, 20562, 31855, 34270, 38226, 41273, 51405, 63710, 82546, 95565, 102810, 123819, 191130, 206365, 247638, 412730, 619095, 949279, 1238190, 1898558, 2847837, 4746395, 5695674, 9492790, 14239185, 28478370]

約数ペア:

[(1, 28478370), (2, 14239185), (3, 9492790), (5, 5695674), (6, 4746395), (10, 2847837), (15, 1898558), (23, 1238190), (30, 949279), (46, 619095), (69, 412730), (115, 247638), (138, 206365), (149, 191130), (230, 123819), (277, 102810), (298, 95565), (345, 82546), (447, 63710), (554, 51405), (690, 41273), (745, 38226), (831, 34270), (894, 31855), (1385, 20562), (1490, 19113), (1662, 17135), (2235, 12742), (2770, 10281), (3427, 8310), (4155, 6854), (4470, 6371)]