280488

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 64

約数和(自身を含む): 806400

約数和(自身を除く): 525912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 31, 39, 52, 58, 62, 78, 87, 93, 104, 116, 124, 156, 174, 186, 232, 248, 312, 348, 372, 377, 403, 696, 744, 754, 806, 899, 1131, 1209, 1508, 1612, 1798, 2262, 2418, 2697, 3016, 3224, 3596, 4524, 4836, 5394, 7192, 9048, 9672, 10788, 11687, 21576, 23374, 35061, 46748, 70122, 93496, 140244, 280488]

約数ペア:

[(1, 280488), (2, 140244), (3, 93496), (4, 70122), (6, 46748), (8, 35061), (12, 23374), (13, 21576), (24, 11687), (26, 10788), (29, 9672), (31, 9048), (39, 7192), (52, 5394), (58, 4836), (62, 4524), (78, 3596), (87, 3224), (93, 3016), (104, 2697), (116, 2418), (124, 2262), (156, 1798), (174, 1612), (186, 1508), (232, 1209), (248, 1131), (312, 899), (348, 806), (372, 754), (377, 744), (403, 696)]