206972640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20533}}^1$

素因数の和:20561

約数の個数: 144

約数和(自身を含む): 807232608

約数和(自身を除く): 600259968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20533, 41066, 61599, 82132, 102665, 123198, 143731, 164264, 184797, 205330, 246396, 287462, 307995, 328528, 369594, 410660, 431193, 492792, 574924, 615990, 657056, 718655, 739188, 821320, 862386, 923985, 985584, 1149848, 1231980, 1293579, 1437310, 1478376, 1642640, 1724772, 1847970, 1971168, 2155965, 2299696, 2463960, 2587158, 2874620, 2956752, 3285280, 3449544, 3695940, 4311930, 4599392, 4927920, 5174316, 5749240, 5913504, 6467895, 6899088, 7391880, 8623860, 9855840, 10348632, 11498480, 12935790, 13798176, 14783760, 17247720, 20697264, 22996960, 25871580, 29567520, 34495440, 41394528, 51743160, 68990880, 103486320, 206972640]

約数ペア:

[(1, 206972640), (2, 103486320), (3, 68990880), (4, 51743160), (5, 41394528), (6, 34495440), (7, 29567520), (8, 25871580), (9, 22996960), (10, 20697264), (12, 17247720), (14, 14783760), (15, 13798176), (16, 12935790), (18, 11498480), (20, 10348632), (21, 9855840), (24, 8623860), (28, 7391880), (30, 6899088), (32, 6467895), (35, 5913504), (36, 5749240), (40, 5174316), (42, 4927920), (45, 4599392), (48, 4311930), (56, 3695940), (60, 3449544), (63, 3285280), (70, 2956752), (72, 2874620), (80, 2587158), (84, 2463960), (90, 2299696), (96, 2155965), (105, 1971168), (112, 1847970), (120, 1724772), (126, 1642640), (140, 1478376), (144, 1437310), (160, 1293579), (168, 1231980), (180, 1149848), (210, 985584), (224, 923985), (240, 862386), (252, 821320), (280, 739188), (288, 718655), (315, 657056), (336, 615990), (360, 574924), (420, 492792), (480, 431193), (504, 410660), (560, 369594), (630, 328528), (672, 307995), (720, 287462), (840, 246396), (1008, 205330), (1120, 184797), (1260, 164264), (1440, 143731), (1680, 123198), (2016, 102665), (2520, 82132), (3360, 61599), (5040, 41066), (10080, 20533)]