255432560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{811}}^1$

素因数の和:982

約数の個数: 80

約数和(自身を含む): 618627072

約数和(自身を除く): 363194512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 811, 1016, 1240, 1270, 1622, 2032, 2480, 2540, 3244, 3937, 4055, 5080, 6488, 7874, 8110, 10160, 12976, 15748, 16220, 19685, 25141, 31496, 32440, 39370, 50282, 62992, 64880, 78740, 100564, 102997, 125705, 157480, 201128, 205994, 251410, 314960, 402256, 411988, 502820, 514985, 823976, 1005640, 1029970, 1647952, 2011280, 2059940, 3192907, 4119880, 6385814, 8239760, 12771628, 15964535, 25543256, 31929070, 51086512, 63858140, 127716280, 255432560]

約数ペア:

[(1, 255432560), (2, 127716280), (4, 63858140), (5, 51086512), (8, 31929070), (10, 25543256), (16, 15964535), (20, 12771628), (31, 8239760), (40, 6385814), (62, 4119880), (80, 3192907), (124, 2059940), (127, 2011280), (155, 1647952), (248, 1029970), (254, 1005640), (310, 823976), (496, 514985), (508, 502820), (620, 411988), (635, 402256), (811, 314960), (1016, 251410), (1240, 205994), (1270, 201128), (1622, 157480), (2032, 125705), (2480, 102997), (2540, 100564), (3244, 78740), (3937, 64880), (4055, 62992), (5080, 50282), (6488, 39370), (7874, 32440), (8110, 31496), (10160, 25141), (12976, 19685), (15748, 16220)]