90791960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4567}}^1$

素因数の和:4656

約数の個数: 64

約数和(自身を含む): 236805120

約数和(自身を除く): 146013160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4567, 4970, 9134, 9940, 18268, 19880, 22835, 31969, 36536, 45670, 63938, 91340, 127876, 159845, 182680, 255752, 319690, 324257, 639380, 648514, 1278760, 1297028, 1621285, 2269799, 2594056, 3242570, 4539598, 6485140, 9079196, 11348995, 12970280, 18158392, 22697990, 45395980, 90791960]

約数ペア:

[(1, 90791960), (2, 45395980), (4, 22697990), (5, 18158392), (7, 12970280), (8, 11348995), (10, 9079196), (14, 6485140), (20, 4539598), (28, 3242570), (35, 2594056), (40, 2269799), (56, 1621285), (70, 1297028), (71, 1278760), (140, 648514), (142, 639380), (280, 324257), (284, 319690), (355, 255752), (497, 182680), (568, 159845), (710, 127876), (994, 91340), (1420, 63938), (1988, 45670), (2485, 36536), (2840, 31969), (3976, 22835), (4567, 19880), (4970, 18268), (9134, 9940)]