640069320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4801}}^1$

素因数の和:4927

約数の個数: 128

約数和(自身を含む): 2115953280

約数和(自身を除く): 1475883960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 101, 110, 120, 132, 165, 202, 220, 264, 303, 330, 404, 440, 505, 606, 660, 808, 1010, 1111, 1212, 1320, 1515, 2020, 2222, 2424, 3030, 3333, 4040, 4444, 4801, 5555, 6060, 6666, 8888, 9602, 11110, 12120, 13332, 14403, 16665, 19204, 22220, 24005, 26664, 28806, 33330, 38408, 44440, 48010, 52811, 57612, 66660, 72015, 96020, 105622, 115224, 133320, 144030, 158433, 192040, 211244, 264055, 288060, 316866, 422488, 484901, 528110, 576120, 633732, 792165, 969802, 1056220, 1267464, 1454703, 1584330, 1939604, 2112440, 2424505, 2909406, 3168660, 3879208, 4849010, 5333911, 5818812, 6337320, 7273515, 9698020, 10667822, 11637624, 14547030, 16001733, 19396040, 21335644, 26669555, 29094060, 32003466, 42671288, 53339110, 58188120, 64006932, 80008665, 106678220, 128013864, 160017330, 213356440, 320034660, 640069320]

約数ペア:

[(1, 640069320), (2, 320034660), (3, 213356440), (4, 160017330), (5, 128013864), (6, 106678220), (8, 80008665), (10, 64006932), (11, 58188120), (12, 53339110), (15, 42671288), (20, 32003466), (22, 29094060), (24, 26669555), (30, 21335644), (33, 19396040), (40, 16001733), (44, 14547030), (55, 11637624), (60, 10667822), (66, 9698020), (88, 7273515), (101, 6337320), (110, 5818812), (120, 5333911), (132, 4849010), (165, 3879208), (202, 3168660), (220, 2909406), (264, 2424505), (303, 2112440), (330, 1939604), (404, 1584330), (440, 1454703), (505, 1267464), (606, 1056220), (660, 969802), (808, 792165), (1010, 633732), (1111, 576120), (1212, 528110), (1320, 484901), (1515, 422488), (2020, 316866), (2222, 288060), (2424, 264055), (3030, 211244), (3333, 192040), (4040, 158433), (4444, 144030), (4801, 133320), (5555, 115224), (6060, 105622), (6666, 96020), (8888, 72015), (9602, 66660), (11110, 57612), (12120, 52811), (13332, 48010), (14403, 44440), (16665, 38408), (19204, 33330), (22220, 28806), (24005, 26664)]