139408080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{82981}}^1$

素因数の和:83004

約数の個数: 80

約数和(自身を含む): 493908864

約数和(自身を除く): 354500784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 82981, 165962, 248943, 331924, 414905, 497886, 580867, 663848, 829810, 995772, 1161734, 1244715, 1327696, 1659620, 1742601, 1991544, 2323468, 2489430, 2904335, 3319240, 3485202, 3983088, 4646936, 4978860, 5808670, 6638480, 6970404, 8713005, 9293872, 9957720, 11617340, 13940808, 17426010, 19915440, 23234680, 27881616, 34852020, 46469360, 69704040, 139408080]

約数ペア:

[(1, 139408080), (2, 69704040), (3, 46469360), (4, 34852020), (5, 27881616), (6, 23234680), (7, 19915440), (8, 17426010), (10, 13940808), (12, 11617340), (14, 9957720), (15, 9293872), (16, 8713005), (20, 6970404), (21, 6638480), (24, 5808670), (28, 4978860), (30, 4646936), (35, 3983088), (40, 3485202), (42, 3319240), (48, 2904335), (56, 2489430), (60, 2323468), (70, 1991544), (80, 1742601), (84, 1659620), (105, 1327696), (112, 1244715), (120, 1161734), (140, 995772), (168, 829810), (210, 663848), (240, 580867), (280, 497886), (336, 414905), (420, 331924), (560, 248943), (840, 165962), (1680, 82981)]