1280492220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{11863}}^1$

素因数の和:12139

約数の個数: 96

約数和(自身を含む): 4113865728

約数和(自身を除く): 2833373508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 257, 420, 514, 771, 1028, 1285, 1542, 1799, 2570, 3084, 3598, 3855, 5140, 5397, 7196, 7710, 8995, 10794, 11863, 15420, 17990, 21588, 23726, 26985, 35589, 35980, 47452, 53970, 59315, 71178, 83041, 107940, 118630, 142356, 166082, 177945, 237260, 249123, 332164, 355890, 415205, 498246, 711780, 830410, 996492, 1245615, 1660820, 2491230, 3048791, 4982460, 6097582, 9146373, 12195164, 15243955, 18292746, 21341537, 30487910, 36585492, 42683074, 45731865, 60975820, 64024611, 85366148, 91463730, 106707685, 128049222, 182927460, 213415370, 256098444, 320123055, 426830740, 640246110, 1280492220]

約数ペア:

[(1, 1280492220), (2, 640246110), (3, 426830740), (4, 320123055), (5, 256098444), (6, 213415370), (7, 182927460), (10, 128049222), (12, 106707685), (14, 91463730), (15, 85366148), (20, 64024611), (21, 60975820), (28, 45731865), (30, 42683074), (35, 36585492), (42, 30487910), (60, 21341537), (70, 18292746), (84, 15243955), (105, 12195164), (140, 9146373), (210, 6097582), (257, 4982460), (420, 3048791), (514, 2491230), (771, 1660820), (1028, 1245615), (1285, 996492), (1542, 830410), (1799, 711780), (2570, 498246), (3084, 415205), (3598, 355890), (3855, 332164), (5140, 249123), (5397, 237260), (7196, 177945), (7710, 166082), (8995, 142356), (10794, 118630), (11863, 107940), (15420, 83041), (17990, 71178), (21588, 59315), (23726, 53970), (26985, 47452), (35589, 35980)]