864432180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{15643}}^1$

素因数の和:15965

約数の個数: 72

約数和(自身を含む): 2630820192

約数和(自身を除く): 1766388012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 1228, 1535, 1842, 2763, 3070, 3684, 4605, 5526, 6140, 9210, 11052, 13815, 15643, 18420, 27630, 31286, 46929, 55260, 62572, 78215, 93858, 140787, 156430, 187716, 234645, 281574, 312860, 469290, 563148, 703935, 938580, 1407870, 2815740, 4802401, 9604802, 14407203, 19209604, 24012005, 28814406, 43221609, 48024010, 57628812, 72036015, 86443218, 96048020, 144072030, 172886436, 216108045, 288144060, 432216090, 864432180]

約数ペア:

[(1, 864432180), (2, 432216090), (3, 288144060), (4, 216108045), (5, 172886436), (6, 144072030), (9, 96048020), (10, 86443218), (12, 72036015), (15, 57628812), (18, 48024010), (20, 43221609), (30, 28814406), (36, 24012005), (45, 19209604), (60, 14407203), (90, 9604802), (180, 4802401), (307, 2815740), (614, 1407870), (921, 938580), (1228, 703935), (1535, 563148), (1842, 469290), (2763, 312860), (3070, 281574), (3684, 234645), (4605, 187716), (5526, 156430), (6140, 140787), (9210, 93858), (11052, 78215), (13815, 62572), (15643, 55260), (18420, 46929), (27630, 31286)]