1315207840

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1277}}^1$

素因数の和:1490

約数の個数: 96

約数和(自身を含む): 3205745424

約数和(自身を除く): 1890537584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 157, 160, 164, 205, 314, 328, 410, 628, 656, 785, 820, 1256, 1277, 1312, 1570, 1640, 2512, 2554, 3140, 3280, 5024, 5108, 6280, 6385, 6437, 6560, 10216, 12560, 12770, 12874, 20432, 25120, 25540, 25748, 32185, 40864, 51080, 51496, 52357, 64370, 102160, 102992, 104714, 128740, 200489, 204320, 205984, 209428, 257480, 261785, 400978, 418856, 514960, 523570, 801956, 837712, 1002445, 1029920, 1047140, 1603912, 1675424, 2004890, 2094280, 3207824, 4009780, 4188560, 6415648, 8019560, 8220049, 8377120, 16039120, 16440098, 32078240, 32880196, 41100245, 65760392, 82200490, 131520784, 164400980, 263041568, 328801960, 657603920, 1315207840]

約数ペア:

[(1, 1315207840), (2, 657603920), (4, 328801960), (5, 263041568), (8, 164400980), (10, 131520784), (16, 82200490), (20, 65760392), (32, 41100245), (40, 32880196), (41, 32078240), (80, 16440098), (82, 16039120), (157, 8377120), (160, 8220049), (164, 8019560), (205, 6415648), (314, 4188560), (328, 4009780), (410, 3207824), (628, 2094280), (656, 2004890), (785, 1675424), (820, 1603912), (1256, 1047140), (1277, 1029920), (1312, 1002445), (1570, 837712), (1640, 801956), (2512, 523570), (2554, 514960), (3140, 418856), (3280, 400978), (5024, 261785), (5108, 257480), (6280, 209428), (6385, 205984), (6437, 204320), (6560, 200489), (10216, 128740), (12560, 104714), (12770, 102992), (12874, 102160), (20432, 64370), (25120, 52357), (25540, 51496), (25748, 51080), (32185, 40864)]