990174720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4159}}^1$

素因数の和:4216

約数の個数: 160

約数和(自身を含む): 3268362240

約数和(自身を除く): 2278187520

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, 1240, 1280, 1488, 1536, 1860, 1920, 1984, 2480, 2560, 2976, 3720, 3840, 3968, 4159, 4960, 5952, 7440, 7680, 7936, 8318, 9920, 11904, 12477, 14880, 15872, 16636, 19840, 20795, 23808, 24954, 29760, 33272, 39680, 41590, 47616, 49908, 59520, 62385, 66544, 79360, 83180, 99816, 119040, 124770, 128929, 133088, 166360, 199632, 238080, 249540, 257858, 266176, 332720, 386787, 399264, 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, 5157160, 5323520, 6188592, 6388224, 7735740, 7985280, 8251456, 10314320, 10647040, 12377184, 15471480, 15970560, 16502912, 20628640, 24754368, 30942960, 31941120, 33005824, 41257280, 49508736, 61885920, 66011648, 82514560, 99017472, 123771840, 165029120, 198034944, 247543680, 330058240, 495087360, 990174720]

約数ペア:

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