258749680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1259}}^1$

素因数の和:1646

約数の個数: 80

約数和(自身を含む): 689955840

約数和(自身を除く): 431206160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 367, 560, 734, 1259, 1468, 1835, 2518, 2569, 2936, 3670, 5036, 5138, 5872, 6295, 7340, 8813, 10072, 10276, 12590, 12845, 14680, 17626, 20144, 20552, 25180, 25690, 29360, 35252, 41104, 44065, 50360, 51380, 70504, 88130, 100720, 102760, 141008, 176260, 205520, 352520, 462053, 705040, 924106, 1848212, 2310265, 3234371, 3696424, 4620530, 6468742, 7392848, 9241060, 12937484, 16171855, 18482120, 25874968, 32343710, 36964240, 51749936, 64687420, 129374840, 258749680]

約数ペア:

[(1, 258749680), (2, 129374840), (4, 64687420), (5, 51749936), (7, 36964240), (8, 32343710), (10, 25874968), (14, 18482120), (16, 16171855), (20, 12937484), (28, 9241060), (35, 7392848), (40, 6468742), (56, 4620530), (70, 3696424), (80, 3234371), (112, 2310265), (140, 1848212), (280, 924106), (367, 705040), (560, 462053), (734, 352520), (1259, 205520), (1468, 176260), (1835, 141008), (2518, 102760), (2569, 100720), (2936, 88130), (3670, 70504), (5036, 51380), (5138, 50360), (5872, 44065), (6295, 41104), (7340, 35252), (8813, 29360), (10072, 25690), (10276, 25180), (12590, 20552), (12845, 20144), (14680, 17626)]