82564720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2417}}^1$

素因数の和:2498

約数の個数: 80

約数和(自身を含む): 223075008

約数和(自身を除く): 140510288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2417, 2440, 3416, 4270, 4834, 4880, 6832, 8540, 9668, 12085, 16919, 17080, 19336, 24170, 33838, 34160, 38672, 48340, 67676, 84595, 96680, 135352, 147437, 169190, 193360, 270704, 294874, 338380, 589748, 676760, 737185, 1032059, 1179496, 1353520, 1474370, 2064118, 2358992, 2948740, 4128236, 5160295, 5897480, 8256472, 10320590, 11794960, 16512944, 20641180, 41282360, 82564720]

約数ペア:

[(1, 82564720), (2, 41282360), (4, 20641180), (5, 16512944), (7, 11794960), (8, 10320590), (10, 8256472), (14, 5897480), (16, 5160295), (20, 4128236), (28, 2948740), (35, 2358992), (40, 2064118), (56, 1474370), (61, 1353520), (70, 1179496), (80, 1032059), (112, 737185), (122, 676760), (140, 589748), (244, 338380), (280, 294874), (305, 270704), (427, 193360), (488, 169190), (560, 147437), (610, 135352), (854, 96680), (976, 84595), (1220, 67676), (1708, 48340), (2135, 38672), (2417, 34160), (2440, 33838), (3416, 24170), (4270, 19336), (4834, 17080), (4880, 16919), (6832, 12085), (8540, 9668)]