131618560

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 108

約数和(自身を含む): 328810104

約数和(自身を除く): 197191544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 107, 124, 128, 155, 160, 214, 248, 256, 310, 320, 428, 496, 535, 620, 640, 856, 961, 992, 1070, 1240, 1280, 1712, 1922, 1984, 2140, 2480, 3317, 3424, 3844, 3968, 4280, 4805, 4960, 6634, 6848, 7688, 7936, 8560, 9610, 9920, 13268, 13696, 15376, 16585, 17120, 19220, 19840, 26536, 27392, 30752, 33170, 34240, 38440, 39680, 53072, 61504, 66340, 68480, 76880, 102827, 106144, 123008, 132680, 136960, 153760, 205654, 212288, 246016, 265360, 307520, 411308, 424576, 514135, 530720, 615040, 822616, 849152, 1028270, 1061440, 1230080, 1645232, 2056540, 2122880, 3290464, 4113080, 4245760, 6580928, 8226160, 13161856, 16452320, 26323712, 32904640, 65809280, 131618560]

約数ペア:

[(1, 131618560), (2, 65809280), (4, 32904640), (5, 26323712), (8, 16452320), (10, 13161856), (16, 8226160), (20, 6580928), (31, 4245760), (32, 4113080), (40, 3290464), (62, 2122880), (64, 2056540), (80, 1645232), (107, 1230080), (124, 1061440), (128, 1028270), (155, 849152), (160, 822616), (214, 615040), (248, 530720), (256, 514135), (310, 424576), (320, 411308), (428, 307520), (496, 265360), (535, 246016), (620, 212288), (640, 205654), (856, 153760), (961, 136960), (992, 132680), (1070, 123008), (1240, 106144), (1280, 102827), (1712, 76880), (1922, 68480), (1984, 66340), (2140, 61504), (2480, 53072), (3317, 39680), (3424, 38440), (3844, 34240), (3968, 33170), (4280, 30752), (4805, 27392), (4960, 26536), (6634, 19840), (6848, 19220), (7688, 17120), (7936, 16585), (8560, 15376), (9610, 13696), (9920, 13268)]