280740320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{683}}^1$

素因数の和:1072

約数の個数: 96

約数和(自身を含む): 761177088

約数和(自身を除く): 480436768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 367, 560, 683, 734, 1120, 1366, 1468, 1835, 2569, 2732, 2936, 3415, 3670, 4781, 5138, 5464, 5872, 6830, 7340, 9562, 10276, 10928, 11744, 12845, 13660, 14680, 19124, 20552, 21856, 23905, 25690, 27320, 29360, 38248, 41104, 47810, 51380, 54640, 58720, 76496, 82208, 95620, 102760, 109280, 152992, 191240, 205520, 250661, 382480, 411040, 501322, 764960, 1002644, 1253305, 1754627, 2005288, 2506610, 3509254, 4010576, 5013220, 7018508, 8021152, 8773135, 10026440, 14037016, 17546270, 20052880, 28074032, 35092540, 40105760, 56148064, 70185080, 140370160, 280740320]

約数ペア:

[(1, 280740320), (2, 140370160), (4, 70185080), (5, 56148064), (7, 40105760), (8, 35092540), (10, 28074032), (14, 20052880), (16, 17546270), (20, 14037016), (28, 10026440), (32, 8773135), (35, 8021152), (40, 7018508), (56, 5013220), (70, 4010576), (80, 3509254), (112, 2506610), (140, 2005288), (160, 1754627), (224, 1253305), (280, 1002644), (367, 764960), (560, 501322), (683, 411040), (734, 382480), (1120, 250661), (1366, 205520), (1468, 191240), (1835, 152992), (2569, 109280), (2732, 102760), (2936, 95620), (3415, 82208), (3670, 76496), (4781, 58720), (5138, 54640), (5464, 51380), (5872, 47810), (6830, 41104), (7340, 38248), (9562, 29360), (10276, 27320), (10928, 25690), (11744, 23905), (12845, 21856), (13660, 20552), (14680, 19124)]