278816160

素因数分解:

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

素因数の和:83006

約数の個数: 96

約数和(自身を含む): 1003750272

約数和(自身を除く): 724934112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 82981, 165962, 248943, 331924, 414905, 497886, 580867, 663848, 829810, 995772, 1161734, 1244715, 1327696, 1659620, 1742601, 1991544, 2323468, 2489430, 2655392, 2904335, 3319240, 3485202, 3983088, 4646936, 4978860, 5808670, 6638480, 6970404, 7966176, 8713005, 9293872, 9957720, 11617340, 13276960, 13940808, 17426010, 18587744, 19915440, 23234680, 27881616, 34852020, 39830880, 46469360, 55763232, 69704040, 92938720, 139408080, 278816160]

約数ペア:

[(1, 278816160), (2, 139408080), (3, 92938720), (4, 69704040), (5, 55763232), (6, 46469360), (7, 39830880), (8, 34852020), (10, 27881616), (12, 23234680), (14, 19915440), (15, 18587744), (16, 17426010), (20, 13940808), (21, 13276960), (24, 11617340), (28, 9957720), (30, 9293872), (32, 8713005), (35, 7966176), (40, 6970404), (42, 6638480), (48, 5808670), (56, 4978860), (60, 4646936), (70, 3983088), (80, 3485202), (84, 3319240), (96, 2904335), (105, 2655392), (112, 2489430), (120, 2323468), (140, 1991544), (160, 1742601), (168, 1659620), (210, 1327696), (224, 1244715), (240, 1161734), (280, 995772), (336, 829810), (420, 663848), (480, 580867), (560, 497886), (672, 414905), (840, 331924), (1120, 248943), (1680, 165962), (3360, 82981)]