287384720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2659}}^1$

素因数の和:2872

約数の個数: 80

約数和(自身を含む): 767867520

約数和(自身を除く): 480482800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 193, 280, 386, 560, 772, 965, 1351, 1544, 1930, 2659, 2702, 3088, 3860, 5318, 5404, 6755, 7720, 10636, 10808, 13295, 13510, 15440, 18613, 21272, 21616, 26590, 27020, 37226, 42544, 53180, 54040, 74452, 93065, 106360, 108080, 148904, 186130, 212720, 297808, 372260, 513187, 744520, 1026374, 1489040, 2052748, 2565935, 3592309, 4105496, 5131870, 7184618, 8210992, 10263740, 14369236, 17961545, 20527480, 28738472, 35923090, 41054960, 57476944, 71846180, 143692360, 287384720]

約数ペア:

[(1, 287384720), (2, 143692360), (4, 71846180), (5, 57476944), (7, 41054960), (8, 35923090), (10, 28738472), (14, 20527480), (16, 17961545), (20, 14369236), (28, 10263740), (35, 8210992), (40, 7184618), (56, 5131870), (70, 4105496), (80, 3592309), (112, 2565935), (140, 2052748), (193, 1489040), (280, 1026374), (386, 744520), (560, 513187), (772, 372260), (965, 297808), (1351, 212720), (1544, 186130), (1930, 148904), (2659, 108080), (2702, 106360), (3088, 93065), (3860, 74452), (5318, 54040), (5404, 53180), (6755, 42544), (7720, 37226), (10636, 27020), (10808, 26590), (13295, 21616), (13510, 21272), (15440, 18613)]