320246640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{63541}}^1$

素因数の和:63567

約数の個数: 120

約数和(自身を含む): 1229156448

約数和(自身を除く): 908909808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 63541, 127082, 190623, 254164, 317705, 381246, 444787, 508328, 571869, 635410, 762492, 889574, 953115, 1016656, 1143738, 1270820, 1334361, 1524984, 1779148, 1906230, 2223935, 2287476, 2541640, 2668722, 2859345, 3049968, 3558296, 3812460, 4003083, 4447870, 4574952, 5083280, 5337444, 5718690, 6671805, 7116592, 7624920, 8006166, 8895740, 9149904, 10674888, 11437380, 13343610, 15249840, 16012332, 17791480, 20015415, 21349776, 22874760, 26687220, 32024664, 35582960, 40030830, 45749520, 53374440, 64049328, 80061660, 106748880, 160123320, 320246640]

約数ペア:

[(1, 320246640), (2, 160123320), (3, 106748880), (4, 80061660), (5, 64049328), (6, 53374440), (7, 45749520), (8, 40030830), (9, 35582960), (10, 32024664), (12, 26687220), (14, 22874760), (15, 21349776), (16, 20015415), (18, 17791480), (20, 16012332), (21, 15249840), (24, 13343610), (28, 11437380), (30, 10674888), (35, 9149904), (36, 8895740), (40, 8006166), (42, 7624920), (45, 7116592), (48, 6671805), (56, 5718690), (60, 5337444), (63, 5083280), (70, 4574952), (72, 4447870), (80, 4003083), (84, 3812460), (90, 3558296), (105, 3049968), (112, 2859345), (120, 2668722), (126, 2541640), (140, 2287476), (144, 2223935), (168, 1906230), (180, 1779148), (210, 1524984), (240, 1334361), (252, 1270820), (280, 1143738), (315, 1016656), (336, 953115), (360, 889574), (420, 762492), (504, 635410), (560, 571869), (630, 508328), (720, 444787), (840, 381246), (1008, 317705), (1260, 254164), (1680, 190623), (2520, 127082), (5040, 63541)]