681107840

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:657

約数の個数: 192

約数和(自身を含む): 1948620240

約数和(自身を除く): 1267512400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 64, 70, 74, 80, 98, 112, 128, 140, 148, 160, 185, 196, 224, 245, 259, 280, 296, 320, 370, 392, 448, 490, 518, 560, 587, 592, 640, 740, 784, 896, 980, 1036, 1120, 1174, 1184, 1295, 1480, 1568, 1813, 1960, 2072, 2240, 2348, 2368, 2590, 2935, 2960, 3136, 3626, 3920, 4109, 4144, 4480, 4696, 4736, 5180, 5870, 5920, 6272, 7252, 7840, 8218, 8288, 9065, 9392, 10360, 11740, 11840, 14504, 15680, 16436, 16576, 18130, 18784, 20545, 20720, 21719, 23480, 23680, 28763, 29008, 31360, 32872, 33152, 36260, 37568, 41090, 41440, 43438, 46960, 57526, 58016, 65744, 72520, 75136, 82180, 82880, 86876, 93920, 108595, 115052, 116032, 131488, 143815, 145040, 152033, 164360, 165760, 173752, 187840, 217190, 230104, 232064, 262976, 287630, 290080, 304066, 328720, 347504, 375680, 434380, 460208, 525952, 575260, 580160, 608132, 657440, 695008, 760165, 868760, 920416, 1064231, 1150520, 1160320, 1216264, 1314880, 1390016, 1520330, 1737520, 1840832, 2128462, 2301040, 2432528, 2629760, 2780032, 3040660, 3475040, 3681664, 4256924, 4602080, 4865056, 5321155, 6081320, 6950080, 8513848, 9204160, 9730112, 10642310, 12162640, 13900160, 17027696, 18408320, 19460224, 21284620, 24325280, 34055392, 42569240, 48650560, 68110784, 85138480, 97301120, 136221568, 170276960, 340553920, 681107840]

約数ペア:

[(1, 681107840), (2, 340553920), (4, 170276960), (5, 136221568), (7, 97301120), (8, 85138480), (10, 68110784), (14, 48650560), (16, 42569240), (20, 34055392), (28, 24325280), (32, 21284620), (35, 19460224), (37, 18408320), (40, 17027696), (49, 13900160), (56, 12162640), (64, 10642310), (70, 9730112), (74, 9204160), (80, 8513848), (98, 6950080), (112, 6081320), (128, 5321155), (140, 4865056), (148, 4602080), (160, 4256924), (185, 3681664), (196, 3475040), (224, 3040660), (245, 2780032), (259, 2629760), (280, 2432528), (296, 2301040), (320, 2128462), (370, 1840832), (392, 1737520), (448, 1520330), (490, 1390016), (518, 1314880), (560, 1216264), (587, 1160320), (592, 1150520), (640, 1064231), (740, 920416), (784, 868760), (896, 760165), (980, 695008), (1036, 657440), (1120, 608132), (1174, 580160), (1184, 575260), (1295, 525952), (1480, 460208), (1568, 434380), (1813, 375680), (1960, 347504), (2072, 328720), (2240, 304066), (2348, 290080), (2368, 287630), (2590, 262976), (2935, 232064), (2960, 230104), (3136, 217190), (3626, 187840), (3920, 173752), (4109, 165760), (4144, 164360), (4480, 152033), (4696, 145040), (4736, 143815), (5180, 131488), (5870, 116032), (5920, 115052), (6272, 108595), (7252, 93920), (7840, 86876), (8218, 82880), (8288, 82180), (9065, 75136), (9392, 72520), (10360, 65744), (11740, 58016), (11840, 57526), (14504, 46960), (15680, 43438), (16436, 41440), (16576, 41090), (18130, 37568), (18784, 36260), (20545, 33152), (20720, 32872), (21719, 31360), (23480, 29008), (23680, 28763)]