720209280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1307}}^1$

素因数の和:1377

約数の個数: 256

約数和(自身を含む): 2689666560

約数和(自身を除く): 1969457280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 64, 70, 80, 82, 84, 96, 105, 112, 120, 123, 128, 140, 160, 164, 168, 192, 205, 210, 224, 240, 246, 280, 287, 320, 328, 336, 384, 410, 420, 448, 480, 492, 560, 574, 615, 640, 656, 672, 820, 840, 861, 896, 960, 984, 1120, 1148, 1230, 1307, 1312, 1344, 1435, 1640, 1680, 1722, 1920, 1968, 2240, 2296, 2460, 2614, 2624, 2688, 2870, 3280, 3360, 3444, 3921, 3936, 4305, 4480, 4592, 4920, 5228, 5248, 5740, 6535, 6560, 6720, 6888, 7842, 7872, 8610, 9149, 9184, 9840, 10456, 11480, 13070, 13120, 13440, 13776, 15684, 15744, 17220, 18298, 18368, 19605, 19680, 20912, 22960, 26140, 26240, 27447, 27552, 31368, 34440, 36596, 36736, 39210, 39360, 41824, 45745, 45920, 52280, 53587, 54894, 55104, 62736, 68880, 73192, 78420, 78720, 83648, 91490, 91840, 104560, 107174, 109788, 110208, 125472, 137235, 137760, 146384, 156840, 160761, 167296, 182980, 183680, 209120, 214348, 219576, 250944, 267935, 274470, 275520, 292768, 313680, 321522, 365960, 375109, 418240, 428696, 439152, 501888, 535870, 548940, 551040, 585536, 627360, 643044, 731920, 750218, 803805, 836480, 857392, 878304, 1071740, 1097880, 1125327, 1171072, 1254720, 1286088, 1463840, 1500436, 1607610, 1714784, 1756608, 1875545, 2143480, 2195760, 2250654, 2509440, 2572176, 2927680, 3000872, 3215220, 3429568, 3513216, 3751090, 4286960, 4391520, 4501308, 5144352, 5626635, 5855360, 6001744, 6430440, 6859136, 7502180, 8573920, 8783040, 9002616, 10288704, 11253270, 12003488, 12860880, 15004360, 17147840, 17566080, 18005232, 20577408, 22506540, 24006976, 25721760, 30008720, 34295680, 36010464, 45013080, 48013952, 51443520, 60017440, 72020928, 90026160, 102887040, 120034880, 144041856, 180052320, 240069760, 360104640, 720209280]

約数ペア:

[(1, 720209280), (2, 360104640), (3, 240069760), (4, 180052320), (5, 144041856), (6, 120034880), (7, 102887040), (8, 90026160), (10, 72020928), (12, 60017440), (14, 51443520), (15, 48013952), (16, 45013080), (20, 36010464), (21, 34295680), (24, 30008720), (28, 25721760), (30, 24006976), (32, 22506540), (35, 20577408), (40, 18005232), (41, 17566080), (42, 17147840), (48, 15004360), (56, 12860880), (60, 12003488), (64, 11253270), (70, 10288704), (80, 9002616), (82, 8783040), (84, 8573920), (96, 7502180), (105, 6859136), (112, 6430440), (120, 6001744), (123, 5855360), (128, 5626635), (140, 5144352), (160, 4501308), (164, 4391520), (168, 4286960), (192, 3751090), (205, 3513216), (210, 3429568), (224, 3215220), (240, 3000872), (246, 2927680), (280, 2572176), (287, 2509440), (320, 2250654), (328, 2195760), (336, 2143480), (384, 1875545), (410, 1756608), (420, 1714784), (448, 1607610), (480, 1500436), (492, 1463840), (560, 1286088), (574, 1254720), (615, 1171072), (640, 1125327), (656, 1097880), (672, 1071740), (820, 878304), (840, 857392), (861, 836480), (896, 803805), (960, 750218), (984, 731920), (1120, 643044), (1148, 627360), (1230, 585536), (1307, 551040), (1312, 548940), (1344, 535870), (1435, 501888), (1640, 439152), (1680, 428696), (1722, 418240), (1920, 375109), (1968, 365960), (2240, 321522), (2296, 313680), (2460, 292768), (2614, 275520), (2624, 274470), (2688, 267935), (2870, 250944), (3280, 219576), (3360, 214348), (3444, 209120), (3921, 183680), (3936, 182980), (4305, 167296), (4480, 160761), (4592, 156840), (4920, 146384), (5228, 137760), (5248, 137235), (5740, 125472), (6535, 110208), (6560, 109788), (6720, 107174), (6888, 104560), (7842, 91840), (7872, 91490), (8610, 83648), (9149, 78720), (9184, 78420), (9840, 73192), (10456, 68880), (11480, 62736), (13070, 55104), (13120, 54894), (13440, 53587), (13776, 52280), (15684, 45920), (15744, 45745), (17220, 41824), (18298, 39360), (18368, 39210), (19605, 36736), (19680, 36596), (20912, 34440), (22960, 31368), (26140, 27552), (26240, 27447)]