9864990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:679

約数の個数: 80

約数和(自身を含む): 27965520

約数和(自身を除く): 18100530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 270, 285, 342, 405, 513, 570, 641, 810, 855, 1026, 1282, 1539, 1710, 1923, 2565, 3078, 3205, 3846, 5130, 5769, 6410, 7695, 9615, 11538, 12179, 15390, 17307, 19230, 24358, 28845, 34614, 36537, 51921, 57690, 60895, 73074, 86535, 103842, 109611, 121790, 173070, 182685, 219222, 259605, 328833, 365370, 519210, 548055, 657666, 986499, 1096110, 1644165, 1972998, 3288330, 4932495, 9864990]

約数ペア:

[(1, 9864990), (2, 4932495), (3, 3288330), (5, 1972998), (6, 1644165), (9, 1096110), (10, 986499), (15, 657666), (18, 548055), (19, 519210), (27, 365370), (30, 328833), (38, 259605), (45, 219222), (54, 182685), (57, 173070), (81, 121790), (90, 109611), (95, 103842), (114, 86535), (135, 73074), (162, 60895), (171, 57690), (190, 51921), (270, 36537), (285, 34614), (342, 28845), (405, 24358), (513, 19230), (570, 17307), (641, 15390), (810, 12179), (855, 11538), (1026, 9615), (1282, 7695), (1539, 6410), (1710, 5769), (1923, 5130), (2565, 3846), (3078, 3205)]