1389944640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{521}}^1$

素因数の和:945

約数の個数: 224

約数和(自身を含む): 5065922304

約数和(自身を除く): 3675977664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 397, 420, 448, 480, 521, 560, 672, 794, 840, 960, 1042, 1120, 1191, 1344, 1563, 1588, 1680, 1985, 2084, 2240, 2382, 2605, 2779, 3126, 3176, 3360, 3647, 3970, 4168, 4764, 5210, 5558, 5955, 6252, 6352, 6720, 7294, 7815, 7940, 8336, 8337, 9528, 10420, 10941, 11116, 11910, 12504, 12704, 13895, 14588, 15630, 15880, 16672, 16674, 18235, 19056, 20840, 21882, 22232, 23820, 25008, 25408, 27790, 29176, 31260, 31760, 33344, 33348, 36470, 38112, 41680, 41685, 43764, 44464, 47640, 50016, 54705, 55580, 58352, 62520, 63520, 66696, 72940, 76224, 83360, 83370, 87528, 88928, 95280, 100032, 109410, 111160, 116704, 125040, 127040, 133392, 145880, 166720, 166740, 175056, 177856, 190560, 206837, 218820, 222320, 233408, 250080, 266784, 291760, 333480, 350112, 381120, 413674, 437640, 444640, 500160, 533568, 583520, 620511, 666960, 700224, 827348, 875280, 889280, 1034185, 1167040, 1241022, 1333920, 1447859, 1654696, 1750560, 2068370, 2482044, 2667840, 2895718, 3102555, 3309392, 3501120, 4136740, 4343577, 4964088, 5791436, 6205110, 6618784, 7239295, 8273480, 8687154, 9928176, 11582872, 12410220, 13237568, 14478590, 16546960, 17374308, 19856352, 21717885, 23165744, 24820440, 28957180, 33093920, 34748616, 39712704, 43435770, 46331488, 49640880, 57914360, 66187840, 69497232, 86871540, 92662976, 99281760, 115828720, 138994464, 173743080, 198563520, 231657440, 277988928, 347486160, 463314880, 694972320, 1389944640]

約数ペア:

[(1, 1389944640), (2, 694972320), (3, 463314880), (4, 347486160), (5, 277988928), (6, 231657440), (7, 198563520), (8, 173743080), (10, 138994464), (12, 115828720), (14, 99281760), (15, 92662976), (16, 86871540), (20, 69497232), (21, 66187840), (24, 57914360), (28, 49640880), (30, 46331488), (32, 43435770), (35, 39712704), (40, 34748616), (42, 33093920), (48, 28957180), (56, 24820440), (60, 23165744), (64, 21717885), (70, 19856352), (80, 17374308), (84, 16546960), (96, 14478590), (105, 13237568), (112, 12410220), (120, 11582872), (140, 9928176), (160, 8687154), (168, 8273480), (192, 7239295), (210, 6618784), (224, 6205110), (240, 5791436), (280, 4964088), (320, 4343577), (336, 4136740), (397, 3501120), (420, 3309392), (448, 3102555), (480, 2895718), (521, 2667840), (560, 2482044), (672, 2068370), (794, 1750560), (840, 1654696), (960, 1447859), (1042, 1333920), (1120, 1241022), (1191, 1167040), (1344, 1034185), (1563, 889280), (1588, 875280), (1680, 827348), (1985, 700224), (2084, 666960), (2240, 620511), (2382, 583520), (2605, 533568), (2779, 500160), (3126, 444640), (3176, 437640), (3360, 413674), (3647, 381120), (3970, 350112), (4168, 333480), (4764, 291760), (5210, 266784), (5558, 250080), (5955, 233408), (6252, 222320), (6352, 218820), (6720, 206837), (7294, 190560), (7815, 177856), (7940, 175056), (8336, 166740), (8337, 166720), (9528, 145880), (10420, 133392), (10941, 127040), (11116, 125040), (11910, 116704), (12504, 111160), (12704, 109410), (13895, 100032), (14588, 95280), (15630, 88928), (15880, 87528), (16672, 83370), (16674, 83360), (18235, 76224), (19056, 72940), (20840, 66696), (21882, 63520), (22232, 62520), (23820, 58352), (25008, 55580), (25408, 54705), (27790, 50016), (29176, 47640), (31260, 44464), (31760, 43764), (33344, 41685), (33348, 41680), (36470, 38112)]