128962890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{739}}^1$

素因数の和:1036

約数の個数: 96

約数和(自身を含む): 385107840

約数和(自身を除く): 256144950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 277, 315, 554, 630, 739, 831, 1385, 1478, 1662, 1939, 2217, 2493, 2770, 3695, 3878, 4155, 4434, 4986, 5173, 5817, 6651, 7390, 8310, 9695, 10346, 11085, 11634, 12465, 13302, 15519, 17451, 19390, 22170, 24930, 25865, 29085, 31038, 33255, 34902, 46557, 51730, 58170, 66510, 77595, 87255, 93114, 155190, 174510, 204703, 232785, 409406, 465570, 614109, 1023515, 1228218, 1432921, 1842327, 2047030, 2865842, 3070545, 3684654, 4298763, 6141090, 7164605, 8597526, 9211635, 12896289, 14329210, 18423270, 21493815, 25792578, 42987630, 64481445, 128962890]

約数ペア:

[(1, 128962890), (2, 64481445), (3, 42987630), (5, 25792578), (6, 21493815), (7, 18423270), (9, 14329210), (10, 12896289), (14, 9211635), (15, 8597526), (18, 7164605), (21, 6141090), (30, 4298763), (35, 3684654), (42, 3070545), (45, 2865842), (63, 2047030), (70, 1842327), (90, 1432921), (105, 1228218), (126, 1023515), (210, 614109), (277, 465570), (315, 409406), (554, 232785), (630, 204703), (739, 174510), (831, 155190), (1385, 93114), (1478, 87255), (1662, 77595), (1939, 66510), (2217, 58170), (2493, 51730), (2770, 46557), (3695, 34902), (3878, 33255), (4155, 31038), (4434, 29085), (4986, 25865), (5173, 24930), (5817, 22170), (6651, 19390), (7390, 17451), (8310, 15519), (9695, 13302), (10346, 12465), (11085, 11634)]