280821072

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{107}}^2$

素因数の和:305

約数の個数: 120

約数和(自身を含む): 848376256

約数和(自身を除く): 567555184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 73, 84, 107, 112, 146, 168, 214, 219, 292, 321, 336, 428, 438, 511, 584, 642, 749, 856, 876, 1022, 1168, 1284, 1498, 1533, 1712, 1752, 2044, 2247, 2568, 2996, 3066, 3504, 4088, 4494, 5136, 5992, 6132, 7811, 8176, 8988, 11449, 11984, 12264, 15622, 17976, 22898, 23433, 24528, 31244, 34347, 35952, 45796, 46866, 54677, 62488, 68694, 80143, 91592, 93732, 109354, 124976, 137388, 160286, 164031, 183184, 187464, 218708, 240429, 274776, 320572, 328062, 374928, 437416, 480858, 549552, 641144, 656124, 835777, 874832, 961716, 1282288, 1312248, 1671554, 1923432, 2507331, 2624496, 3343108, 3846864, 5014662, 5850439, 6686216, 10029324, 11700878, 13372432, 17551317, 20058648, 23401756, 35102634, 40117296, 46803512, 70205268, 93607024, 140410536, 280821072]

約数ペア:

[(1, 280821072), (2, 140410536), (3, 93607024), (4, 70205268), (6, 46803512), (7, 40117296), (8, 35102634), (12, 23401756), (14, 20058648), (16, 17551317), (21, 13372432), (24, 11700878), (28, 10029324), (42, 6686216), (48, 5850439), (56, 5014662), (73, 3846864), (84, 3343108), (107, 2624496), (112, 2507331), (146, 1923432), (168, 1671554), (214, 1312248), (219, 1282288), (292, 961716), (321, 874832), (336, 835777), (428, 656124), (438, 641144), (511, 549552), (584, 480858), (642, 437416), (749, 374928), (856, 328062), (876, 320572), (1022, 274776), (1168, 240429), (1284, 218708), (1498, 187464), (1533, 183184), (1712, 164031), (1752, 160286), (2044, 137388), (2247, 124976), (2568, 109354), (2996, 93732), (3066, 91592), (3504, 80143), (4088, 68694), (4494, 62488), (5136, 54677), (5992, 46866), (6132, 45796), (7811, 35952), (8176, 34347), (8988, 31244), (11449, 24528), (11984, 23433), (12264, 22898), (15622, 17976)]