140561840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1494

約数の個数: 80

約数和(自身を含む): 346183200

約数和(自身を除く): 205621360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 145, 172, 215, 232, 290, 344, 430, 464, 580, 688, 860, 1160, 1247, 1409, 1720, 2320, 2494, 2818, 3440, 4988, 5636, 6235, 7045, 9976, 11272, 12470, 14090, 19952, 22544, 24940, 28180, 40861, 49880, 56360, 60587, 81722, 99760, 112720, 121174, 163444, 204305, 242348, 302935, 326888, 408610, 484696, 605870, 653776, 817220, 969392, 1211740, 1634440, 1757023, 2423480, 3268880, 3514046, 4846960, 7028092, 8785115, 14056184, 17570230, 28112368, 35140460, 70280920, 140561840]

約数ペア:

[(1, 140561840), (2, 70280920), (4, 35140460), (5, 28112368), (8, 17570230), (10, 14056184), (16, 8785115), (20, 7028092), (29, 4846960), (40, 3514046), (43, 3268880), (58, 2423480), (80, 1757023), (86, 1634440), (116, 1211740), (145, 969392), (172, 817220), (215, 653776), (232, 605870), (290, 484696), (344, 408610), (430, 326888), (464, 302935), (580, 242348), (688, 204305), (860, 163444), (1160, 121174), (1247, 112720), (1409, 99760), (1720, 81722), (2320, 60587), (2494, 56360), (2818, 49880), (3440, 40861), (4988, 28180), (5636, 24940), (6235, 22544), (7045, 19952), (9976, 14090), (11272, 12470)]