259188720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{154279}}^1$

素因数の和:154302

約数の個数: 80

約数和(自身を含む): 918274560

約数和(自身を除く): 659085840

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, 154279, 308558, 462837, 617116, 771395, 925674, 1079953, 1234232, 1542790, 1851348, 2159906, 2314185, 2468464, 3085580, 3239859, 3702696, 4319812, 4628370, 5399765, 6171160, 6479718, 7405392, 8639624, 9256740, 10799530, 12342320, 12959436, 16199295, 17279248, 18513480, 21599060, 25918872, 32398590, 37026960, 43198120, 51837744, 64797180, 86396240, 129594360, 259188720]

約数ペア:

[(1, 259188720), (2, 129594360), (3, 86396240), (4, 64797180), (5, 51837744), (6, 43198120), (7, 37026960), (8, 32398590), (10, 25918872), (12, 21599060), (14, 18513480), (15, 17279248), (16, 16199295), (20, 12959436), (21, 12342320), (24, 10799530), (28, 9256740), (30, 8639624), (35, 7405392), (40, 6479718), (42, 6171160), (48, 5399765), (56, 4628370), (60, 4319812), (70, 3702696), (80, 3239859), (84, 3085580), (105, 2468464), (112, 2314185), (120, 2159906), (140, 1851348), (168, 1542790), (210, 1234232), (240, 1079953), (280, 925674), (336, 771395), (420, 617116), (560, 462837), (840, 308558), (1680, 154279)]