320630520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1818

約数の個数: 192

約数和(自身を含む): 1155686400

約数和(自身を除く): 835055880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 105, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 245, 248, 280, 294, 310, 372, 392, 420, 434, 465, 490, 588, 620, 651, 735, 744, 840, 868, 930, 980, 1085, 1176, 1240, 1302, 1470, 1519, 1736, 1759, 1860, 1960, 2170, 2604, 2940, 3038, 3255, 3518, 3720, 4340, 4557, 5208, 5277, 5880, 6076, 6510, 7036, 7595, 8680, 8795, 9114, 10554, 12152, 12313, 13020, 14072, 15190, 17590, 18228, 21108, 22785, 24626, 26040, 26385, 30380, 35180, 36456, 36939, 42216, 45570, 49252, 52770, 54529, 60760, 61565, 70360, 73878, 86191, 91140, 98504, 105540, 109058, 123130, 147756, 163587, 172382, 182280, 184695, 211080, 218116, 246260, 258573, 272645, 295512, 327174, 344764, 369390, 381703, 430955, 436232, 492520, 517146, 545290, 654348, 689528, 738780, 763406, 817935, 861910, 1034292, 1090580, 1145109, 1292865, 1308696, 1477560, 1526812, 1635870, 1723820, 1908515, 2068584, 2181160, 2290218, 2585730, 2671921, 3053624, 3271740, 3447640, 3817030, 4580436, 5171460, 5343842, 5725545, 6543480, 7634060, 8015763, 9160872, 10342920, 10687684, 11451090, 13359605, 15268120, 16031526, 21375368, 22902180, 26719210, 32063052, 40078815, 45804360, 53438420, 64126104, 80157630, 106876840, 160315260, 320630520]

約数ペア:

[(1, 320630520), (2, 160315260), (3, 106876840), (4, 80157630), (5, 64126104), (6, 53438420), (7, 45804360), (8, 40078815), (10, 32063052), (12, 26719210), (14, 22902180), (15, 21375368), (20, 16031526), (21, 15268120), (24, 13359605), (28, 11451090), (30, 10687684), (31, 10342920), (35, 9160872), (40, 8015763), (42, 7634060), (49, 6543480), (56, 5725545), (60, 5343842), (62, 5171460), (70, 4580436), (84, 3817030), (93, 3447640), (98, 3271740), (105, 3053624), (120, 2671921), (124, 2585730), (140, 2290218), (147, 2181160), (155, 2068584), (168, 1908515), (186, 1723820), (196, 1635870), (210, 1526812), (217, 1477560), (245, 1308696), (248, 1292865), (280, 1145109), (294, 1090580), (310, 1034292), (372, 861910), (392, 817935), (420, 763406), (434, 738780), (465, 689528), (490, 654348), (588, 545290), (620, 517146), (651, 492520), (735, 436232), (744, 430955), (840, 381703), (868, 369390), (930, 344764), (980, 327174), (1085, 295512), (1176, 272645), (1240, 258573), (1302, 246260), (1470, 218116), (1519, 211080), (1736, 184695), (1759, 182280), (1860, 172382), (1960, 163587), (2170, 147756), (2604, 123130), (2940, 109058), (3038, 105540), (3255, 98504), (3518, 91140), (3720, 86191), (4340, 73878), (4557, 70360), (5208, 61565), (5277, 60760), (5880, 54529), (6076, 52770), (6510, 49252), (7036, 45570), (7595, 42216), (8680, 36939), (8795, 36456), (9114, 35180), (10554, 30380), (12152, 26385), (12313, 26040), (13020, 24626), (14072, 22785), (15190, 21108), (17590, 18228)]