1980349440

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4159}}^1$

素因数の和:4218

約数の個数: 176

約数和(自身を含む): 6539919360

約数和(自身を除く): 4559569920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 930, 960, 992, 1024, 1240, 1280, 1488, 1536, 1860, 1920, 1984, 2480, 2560, 2976, 3072, 3720, 3840, 3968, 4159, 4960, 5120, 5952, 7440, 7680, 7936, 8318, 9920, 11904, 12477, 14880, 15360, 15872, 16636, 19840, 20795, 23808, 24954, 29760, 31744, 33272, 39680, 41590, 47616, 49908, 59520, 62385, 66544, 79360, 83180, 95232, 99816, 119040, 124770, 128929, 133088, 158720, 166360, 199632, 238080, 249540, 257858, 266176, 332720, 386787, 399264, 476160, 499080, 515716, 532352, 644645, 665440, 773574, 798528, 998160, 1031432, 1064704, 1289290, 1330880, 1547148, 1597056, 1933935, 1996320, 2062864, 2129408, 2578580, 2661760, 3094296, 3194112, 3867870, 3992640, 4125728, 4258816, 5157160, 5323520, 6188592, 6388224, 7735740, 7985280, 8251456, 10314320, 10647040, 12377184, 12776448, 15471480, 15970560, 16502912, 20628640, 21294080, 24754368, 30942960, 31941120, 33005824, 41257280, 49508736, 61885920, 63882240, 66011648, 82514560, 99017472, 123771840, 132023296, 165029120, 198034944, 247543680, 330058240, 396069888, 495087360, 660116480, 990174720, 1980349440]

約数ペア:

[(1, 1980349440), (2, 990174720), (3, 660116480), (4, 495087360), (5, 396069888), (6, 330058240), (8, 247543680), (10, 198034944), (12, 165029120), (15, 132023296), (16, 123771840), (20, 99017472), (24, 82514560), (30, 66011648), (31, 63882240), (32, 61885920), (40, 49508736), (48, 41257280), (60, 33005824), (62, 31941120), (64, 30942960), (80, 24754368), (93, 21294080), (96, 20628640), (120, 16502912), (124, 15970560), (128, 15471480), (155, 12776448), (160, 12377184), (186, 10647040), (192, 10314320), (240, 8251456), (248, 7985280), (256, 7735740), (310, 6388224), (320, 6188592), (372, 5323520), (384, 5157160), (465, 4258816), (480, 4125728), (496, 3992640), (512, 3867870), (620, 3194112), (640, 3094296), (744, 2661760), (768, 2578580), (930, 2129408), (960, 2062864), (992, 1996320), (1024, 1933935), (1240, 1597056), (1280, 1547148), (1488, 1330880), (1536, 1289290), (1860, 1064704), (1920, 1031432), (1984, 998160), (2480, 798528), (2560, 773574), (2976, 665440), (3072, 644645), (3720, 532352), (3840, 515716), (3968, 499080), (4159, 476160), (4960, 399264), (5120, 386787), (5952, 332720), (7440, 266176), (7680, 257858), (7936, 249540), (8318, 238080), (9920, 199632), (11904, 166360), (12477, 158720), (14880, 133088), (15360, 128929), (15872, 124770), (16636, 119040), (19840, 99816), (20795, 95232), (23808, 83180), (24954, 79360), (29760, 66544), (31744, 62385), (33272, 59520), (39680, 49908), (41590, 47616)]