180505744

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 378100800

約数和(自身を除く): 197595056

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 83, 86, 109, 116, 166, 172, 218, 232, 332, 344, 436, 464, 664, 688, 872, 1247, 1328, 1744, 2407, 2494, 3161, 3569, 4687, 4814, 4988, 6322, 7138, 9047, 9374, 9628, 9976, 12644, 14276, 18094, 18748, 19256, 19952, 25288, 28552, 36188, 37496, 38512, 50576, 57104, 72376, 74992, 103501, 135923, 144752, 207002, 262363, 271846, 389021, 414004, 524726, 543692, 778042, 828008, 1049452, 1087384, 1556084, 1656016, 2098904, 2174768, 3112168, 4197808, 6224336, 11281609, 22563218, 45126436, 90252872, 180505744]

約数ペア:

[(1, 180505744), (2, 90252872), (4, 45126436), (8, 22563218), (16, 11281609), (29, 6224336), (43, 4197808), (58, 3112168), (83, 2174768), (86, 2098904), (109, 1656016), (116, 1556084), (166, 1087384), (172, 1049452), (218, 828008), (232, 778042), (332, 543692), (344, 524726), (436, 414004), (464, 389021), (664, 271846), (688, 262363), (872, 207002), (1247, 144752), (1328, 135923), (1744, 103501), (2407, 74992), (2494, 72376), (3161, 57104), (3569, 50576), (4687, 38512), (4814, 37496), (4988, 36188), (6322, 28552), (7138, 25288), (9047, 19952), (9374, 19256), (9628, 18748), (9976, 18094), (12644, 14276)]