1981623840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1607}}^1$

素因数の和:1999

約数の個数: 192

約数和(自身を含む): 7157735424

約数和(自身を除く): 5176111584

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, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 367, 420, 480, 560, 672, 734, 840, 1101, 1120, 1468, 1607, 1680, 1835, 2202, 2569, 2936, 3214, 3360, 3670, 4404, 4821, 5138, 5505, 5872, 6428, 7340, 7707, 8035, 8808, 9642, 10276, 11010, 11249, 11744, 12845, 12856, 14680, 15414, 16070, 17616, 19284, 20552, 22020, 22498, 24105, 25690, 25712, 29360, 30828, 32140, 33747, 35232, 38535, 38568, 41104, 44040, 44996, 48210, 51380, 51424, 56245, 58720, 61656, 64280, 67494, 77070, 77136, 82208, 88080, 89992, 96420, 102760, 112490, 123312, 128560, 134988, 154140, 154272, 168735, 176160, 179984, 192840, 205520, 224980, 246624, 257120, 269976, 308280, 337470, 359968, 385680, 411040, 449960, 539952, 589769, 616560, 674940, 771360, 899920, 1079904, 1179538, 1233120, 1349880, 1769307, 1799840, 2359076, 2699760, 2948845, 3538614, 4128383, 4718152, 5399520, 5897690, 7077228, 8256766, 8846535, 9436304, 11795380, 12385149, 14154456, 16513532, 17693070, 18872608, 20641915, 23590760, 24770298, 28308912, 33027064, 35386140, 41283830, 47181520, 49540596, 56617824, 61925745, 66054128, 70772280, 82567660, 94363040, 99081192, 123851490, 132108256, 141544560, 165135320, 198162384, 247702980, 283089120, 330270640, 396324768, 495405960, 660541280, 990811920, 1981623840]

約数ペア:

[(1, 1981623840), (2, 990811920), (3, 660541280), (4, 495405960), (5, 396324768), (6, 330270640), (7, 283089120), (8, 247702980), (10, 198162384), (12, 165135320), (14, 141544560), (15, 132108256), (16, 123851490), (20, 99081192), (21, 94363040), (24, 82567660), (28, 70772280), (30, 66054128), (32, 61925745), (35, 56617824), (40, 49540596), (42, 47181520), (48, 41283830), (56, 35386140), (60, 33027064), (70, 28308912), (80, 24770298), (84, 23590760), (96, 20641915), (105, 18872608), (112, 17693070), (120, 16513532), (140, 14154456), (160, 12385149), (168, 11795380), (210, 9436304), (224, 8846535), (240, 8256766), (280, 7077228), (336, 5897690), (367, 5399520), (420, 4718152), (480, 4128383), (560, 3538614), (672, 2948845), (734, 2699760), (840, 2359076), (1101, 1799840), (1120, 1769307), (1468, 1349880), (1607, 1233120), (1680, 1179538), (1835, 1079904), (2202, 899920), (2569, 771360), (2936, 674940), (3214, 616560), (3360, 589769), (3670, 539952), (4404, 449960), (4821, 411040), (5138, 385680), (5505, 359968), (5872, 337470), (6428, 308280), (7340, 269976), (7707, 257120), (8035, 246624), (8808, 224980), (9642, 205520), (10276, 192840), (11010, 179984), (11249, 176160), (11744, 168735), (12845, 154272), (12856, 154140), (14680, 134988), (15414, 128560), (16070, 123312), (17616, 112490), (19284, 102760), (20552, 96420), (22020, 89992), (22498, 88080), (24105, 82208), (25690, 77136), (25712, 77070), (29360, 67494), (30828, 64280), (32140, 61656), (33747, 58720), (35232, 56245), (38535, 51424), (38568, 51380), (41104, 48210), (44040, 44996)]