687788208

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:691

約数の個数: 120

約数和(自身を含む): 1974770928

約数和(自身を除く): 1286982720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 227, 318, 397, 424, 454, 477, 636, 681, 794, 848, 908, 954, 1191, 1272, 1362, 1588, 1816, 1908, 2043, 2382, 2544, 2724, 3176, 3573, 3632, 3816, 4086, 4764, 5448, 6352, 7146, 7632, 8172, 9528, 10896, 12031, 14292, 16344, 19056, 21041, 24062, 28584, 32688, 36093, 42082, 48124, 57168, 63123, 72186, 84164, 90119, 96248, 108279, 126246, 144372, 168328, 180238, 189369, 192496, 216558, 252492, 270357, 288744, 336656, 360476, 378738, 433116, 504984, 540714, 577488, 720952, 757476, 811071, 866232, 1009968, 1081428, 1441904, 1514952, 1622142, 1732464, 2162856, 3029904, 3244284, 4325712, 4776307, 6488568, 9552614, 12977136, 14328921, 19105228, 28657842, 38210456, 42986763, 57315684, 76420912, 85973526, 114631368, 171947052, 229262736, 343894104, 687788208]

約数ペア:

[(1, 687788208), (2, 343894104), (3, 229262736), (4, 171947052), (6, 114631368), (8, 85973526), (9, 76420912), (12, 57315684), (16, 42986763), (18, 38210456), (24, 28657842), (36, 19105228), (48, 14328921), (53, 12977136), (72, 9552614), (106, 6488568), (144, 4776307), (159, 4325712), (212, 3244284), (227, 3029904), (318, 2162856), (397, 1732464), (424, 1622142), (454, 1514952), (477, 1441904), (636, 1081428), (681, 1009968), (794, 866232), (848, 811071), (908, 757476), (954, 720952), (1191, 577488), (1272, 540714), (1362, 504984), (1588, 433116), (1816, 378738), (1908, 360476), (2043, 336656), (2382, 288744), (2544, 270357), (2724, 252492), (3176, 216558), (3573, 192496), (3632, 189369), (3816, 180238), (4086, 168328), (4764, 144372), (5448, 126246), (6352, 108279), (7146, 96248), (7632, 90119), (8172, 84164), (9528, 72186), (10896, 63123), (12031, 57168), (14292, 48124), (16344, 42082), (19056, 36093), (21041, 32688), (24062, 28584)]