1647680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:307

約数の個数: 56

約数和(自身を含む): 4145280

約数和(自身を除く): 2497600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 271, 304, 320, 380, 542, 608, 760, 1084, 1216, 1355, 1520, 2168, 2710, 3040, 4336, 5149, 5420, 6080, 8672, 10298, 10840, 17344, 20596, 21680, 25745, 41192, 43360, 51490, 82384, 86720, 102980, 164768, 205960, 329536, 411920, 823840, 1647680]

約数ペア:

[(1, 1647680), (2, 823840), (4, 411920), (5, 329536), (8, 205960), (10, 164768), (16, 102980), (19, 86720), (20, 82384), (32, 51490), (38, 43360), (40, 41192), (64, 25745), (76, 21680), (80, 20596), (95, 17344), (152, 10840), (160, 10298), (190, 8672), (271, 6080), (304, 5420), (320, 5149), (380, 4336), (542, 3040), (608, 2710), (760, 2168), (1084, 1520), (1216, 1355)]