64816760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1499}}^1$

素因数の和:1580

約数の個数: 64

約数和(自身を含む): 155520000

約数和(自身を除く): 90703240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1499, 1880, 2162, 2998, 4324, 5405, 5996, 7495, 8648, 10810, 11992, 14990, 21620, 29980, 34477, 43240, 59960, 68954, 70453, 137908, 140906, 172385, 275816, 281812, 344770, 352265, 563624, 689540, 704530, 1379080, 1409060, 1620419, 2818120, 3240838, 6481676, 8102095, 12963352, 16204190, 32408380, 64816760]

約数ペア:

[(1, 64816760), (2, 32408380), (4, 16204190), (5, 12963352), (8, 8102095), (10, 6481676), (20, 3240838), (23, 2818120), (40, 1620419), (46, 1409060), (47, 1379080), (92, 704530), (94, 689540), (115, 563624), (184, 352265), (188, 344770), (230, 281812), (235, 275816), (376, 172385), (460, 140906), (470, 137908), (920, 70453), (940, 68954), (1081, 59960), (1499, 43240), (1880, 34477), (2162, 29980), (2998, 21620), (4324, 14990), (5405, 11992), (5996, 10810), (7495, 8648)]