262242560

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 679916160

約数和(自身を除く): 417673600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 152, 160, 164, 190, 205, 256, 263, 304, 320, 328, 380, 410, 526, 608, 640, 656, 760, 779, 820, 1052, 1216, 1280, 1312, 1315, 1520, 1558, 1640, 2104, 2432, 2624, 2630, 3040, 3116, 3280, 3895, 4208, 4864, 4997, 5248, 5260, 6080, 6232, 6560, 7790, 8416, 9994, 10496, 10520, 10783, 12160, 12464, 13120, 15580, 16832, 19988, 21040, 21566, 24320, 24928, 24985, 26240, 31160, 33664, 39976, 42080, 43132, 49856, 49970, 52480, 53915, 62320, 67328, 79952, 84160, 86264, 99712, 99940, 107830, 124640, 159904, 168320, 172528, 199424, 199880, 204877, 215660, 249280, 319808, 336640, 345056, 399760, 409754, 431320, 498560, 639616, 690112, 799520, 819508, 862640, 997120, 1024385, 1279232, 1380224, 1599040, 1639016, 1725280, 2048770, 2760448, 3198080, 3278032, 3450560, 4097540, 6396160, 6556064, 6901120, 8195080, 13112128, 13802240, 16390160, 26224256, 32780320, 52448512, 65560640, 131121280, 262242560]

約数ペア:

[(1, 262242560), (2, 131121280), (4, 65560640), (5, 52448512), (8, 32780320), (10, 26224256), (16, 16390160), (19, 13802240), (20, 13112128), (32, 8195080), (38, 6901120), (40, 6556064), (41, 6396160), (64, 4097540), (76, 3450560), (80, 3278032), (82, 3198080), (95, 2760448), (128, 2048770), (152, 1725280), (160, 1639016), (164, 1599040), (190, 1380224), (205, 1279232), (256, 1024385), (263, 997120), (304, 862640), (320, 819508), (328, 799520), (380, 690112), (410, 639616), (526, 498560), (608, 431320), (640, 409754), (656, 399760), (760, 345056), (779, 336640), (820, 319808), (1052, 249280), (1216, 215660), (1280, 204877), (1312, 199880), (1315, 199424), (1520, 172528), (1558, 168320), (1640, 159904), (2104, 124640), (2432, 107830), (2624, 99940), (2630, 99712), (3040, 86264), (3116, 84160), (3280, 79952), (3895, 67328), (4208, 62320), (4864, 53915), (4997, 52480), (5248, 49970), (5260, 49856), (6080, 43132), (6232, 42080), (6560, 39976), (7790, 33664), (8416, 31160), (9994, 26240), (10496, 24985), (10520, 24928), (10783, 24320), (12160, 21566), (12464, 21040), (13120, 19988), (15580, 16832)]