641331840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8147}}^1$

素因数の和:8210

約数の個数: 128

約数和(自身を含む): 2094361920

約数和(自身を除く): 1453030080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 320, 328, 384, 410, 480, 492, 615, 640, 656, 820, 960, 984, 1230, 1312, 1640, 1920, 1968, 2460, 2624, 3280, 3936, 4920, 5248, 6560, 7872, 8147, 9840, 13120, 15744, 16294, 19680, 24441, 26240, 32588, 39360, 40735, 48882, 65176, 78720, 81470, 97764, 122205, 130352, 162940, 195528, 244410, 260704, 325880, 334027, 391056, 488820, 521408, 651760, 668054, 782112, 977640, 1002081, 1042816, 1303520, 1336108, 1564224, 1670135, 1955280, 2004162, 2607040, 2672216, 3128448, 3340270, 3910560, 4008324, 5010405, 5214080, 5344432, 6680540, 7821120, 8016648, 10020810, 10688864, 13361080, 15642240, 16033296, 20041620, 21377728, 26722160, 32066592, 40083240, 42755456, 53444320, 64133184, 80166480, 106888640, 128266368, 160332960, 213777280, 320665920, 641331840]

約数ペア:

[(1, 641331840), (2, 320665920), (3, 213777280), (4, 160332960), (5, 128266368), (6, 106888640), (8, 80166480), (10, 64133184), (12, 53444320), (15, 42755456), (16, 40083240), (20, 32066592), (24, 26722160), (30, 21377728), (32, 20041620), (40, 16033296), (41, 15642240), (48, 13361080), (60, 10688864), (64, 10020810), (80, 8016648), (82, 7821120), (96, 6680540), (120, 5344432), (123, 5214080), (128, 5010405), (160, 4008324), (164, 3910560), (192, 3340270), (205, 3128448), (240, 2672216), (246, 2607040), (320, 2004162), (328, 1955280), (384, 1670135), (410, 1564224), (480, 1336108), (492, 1303520), (615, 1042816), (640, 1002081), (656, 977640), (820, 782112), (960, 668054), (984, 651760), (1230, 521408), (1312, 488820), (1640, 391056), (1920, 334027), (1968, 325880), (2460, 260704), (2624, 244410), (3280, 195528), (3936, 162940), (4920, 130352), (5248, 122205), (6560, 97764), (7872, 81470), (8147, 78720), (9840, 65176), (13120, 48882), (15744, 40735), (16294, 39360), (19680, 32588), (24441, 26240)]