639733680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2621}}^1$

素因数の和:2756

約数の個数: 160

約数和(自身を含む): 2223875520

約数和(自身を除く): 1584141840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 113, 120, 135, 144, 180, 216, 226, 240, 270, 339, 360, 432, 452, 540, 565, 678, 720, 904, 1017, 1080, 1130, 1356, 1695, 1808, 2034, 2160, 2260, 2621, 2712, 3051, 3390, 4068, 4520, 5085, 5242, 5424, 6102, 6780, 7863, 8136, 9040, 10170, 10484, 12204, 13105, 13560, 15255, 15726, 16272, 20340, 20968, 23589, 24408, 26210, 27120, 30510, 31452, 39315, 40680, 41936, 47178, 48816, 52420, 61020, 62904, 70767, 78630, 81360, 94356, 104840, 117945, 122040, 125808, 141534, 157260, 188712, 209680, 235890, 244080, 283068, 296173, 314520, 353835, 377424, 471780, 566136, 592346, 629040, 707670, 888519, 943560, 1132272, 1184692, 1415340, 1480865, 1777038, 1887120, 2369384, 2665557, 2830680, 2961730, 3554076, 4442595, 4738768, 5331114, 5661360, 5923460, 7108152, 7996671, 8885190, 10662228, 11846920, 13327785, 14216304, 15993342, 17770380, 21324456, 23693840, 26655570, 31986684, 35540760, 39983355, 42648912, 53311140, 63973368, 71081520, 79966710, 106622280, 127946736, 159933420, 213244560, 319866840, 639733680]

約数ペア:

[(1, 639733680), (2, 319866840), (3, 213244560), (4, 159933420), (5, 127946736), (6, 106622280), (8, 79966710), (9, 71081520), (10, 63973368), (12, 53311140), (15, 42648912), (16, 39983355), (18, 35540760), (20, 31986684), (24, 26655570), (27, 23693840), (30, 21324456), (36, 17770380), (40, 15993342), (45, 14216304), (48, 13327785), (54, 11846920), (60, 10662228), (72, 8885190), (80, 7996671), (90, 7108152), (108, 5923460), (113, 5661360), (120, 5331114), (135, 4738768), (144, 4442595), (180, 3554076), (216, 2961730), (226, 2830680), (240, 2665557), (270, 2369384), (339, 1887120), (360, 1777038), (432, 1480865), (452, 1415340), (540, 1184692), (565, 1132272), (678, 943560), (720, 888519), (904, 707670), (1017, 629040), (1080, 592346), (1130, 566136), (1356, 471780), (1695, 377424), (1808, 353835), (2034, 314520), (2160, 296173), (2260, 283068), (2621, 244080), (2712, 235890), (3051, 209680), (3390, 188712), (4068, 157260), (4520, 141534), (5085, 125808), (5242, 122040), (5424, 117945), (6102, 104840), (6780, 94356), (7863, 81360), (8136, 78630), (9040, 70767), (10170, 62904), (10484, 61020), (12204, 52420), (13105, 48816), (13560, 47178), (15255, 41936), (15726, 40680), (16272, 39315), (20340, 31452), (20968, 30510), (23589, 27120), (24408, 26210)]