489874920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{683}}^1$

素因数の和:879

約数の個数: 128

約数和(自身を含む): 1516838400

約数和(自身を除く): 1026963480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 139, 172, 215, 258, 278, 344, 417, 430, 516, 556, 645, 683, 695, 834, 860, 1032, 1112, 1290, 1366, 1390, 1668, 1720, 2049, 2085, 2580, 2732, 2780, 3336, 3415, 4098, 4170, 5160, 5464, 5560, 5977, 6830, 8196, 8340, 10245, 11954, 13660, 16392, 16680, 17931, 20490, 23908, 27320, 29369, 29885, 35862, 40980, 47816, 58738, 59770, 71724, 81960, 88107, 89655, 94937, 117476, 119540, 143448, 146845, 176214, 179310, 189874, 234952, 239080, 284811, 293690, 352428, 358620, 379748, 440535, 474685, 569622, 587380, 704856, 717240, 759496, 881070, 949370, 1139244, 1174760, 1424055, 1762140, 1898740, 2278488, 2848110, 3524280, 3797480, 4082291, 5696220, 8164582, 11392440, 12246873, 16329164, 20411455, 24493746, 32658328, 40822910, 48987492, 61234365, 81645820, 97974984, 122468730, 163291640, 244937460, 489874920]

約数ペア:

[(1, 489874920), (2, 244937460), (3, 163291640), (4, 122468730), (5, 97974984), (6, 81645820), (8, 61234365), (10, 48987492), (12, 40822910), (15, 32658328), (20, 24493746), (24, 20411455), (30, 16329164), (40, 12246873), (43, 11392440), (60, 8164582), (86, 5696220), (120, 4082291), (129, 3797480), (139, 3524280), (172, 2848110), (215, 2278488), (258, 1898740), (278, 1762140), (344, 1424055), (417, 1174760), (430, 1139244), (516, 949370), (556, 881070), (645, 759496), (683, 717240), (695, 704856), (834, 587380), (860, 569622), (1032, 474685), (1112, 440535), (1290, 379748), (1366, 358620), (1390, 352428), (1668, 293690), (1720, 284811), (2049, 239080), (2085, 234952), (2580, 189874), (2732, 179310), (2780, 176214), (3336, 146845), (3415, 143448), (4098, 119540), (4170, 117476), (5160, 94937), (5464, 89655), (5560, 88107), (5977, 81960), (6830, 71724), (8196, 59770), (8340, 58738), (10245, 47816), (11954, 40980), (13660, 35862), (16392, 29885), (16680, 29369), (17931, 27320), (20490, 23908)]