2991022720

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{751}}^1$

素因数の和:911

約数の個数: 192

約数和(自身を含む): 8394485760

約数和(自身を除く): 5403463040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 127, 128, 140, 160, 196, 224, 245, 254, 280, 320, 392, 448, 490, 508, 560, 635, 640, 751, 784, 889, 896, 980, 1016, 1120, 1270, 1502, 1568, 1778, 1960, 2032, 2240, 2540, 3004, 3136, 3556, 3755, 3920, 4064, 4445, 4480, 5080, 5257, 6008, 6223, 6272, 7112, 7510, 7840, 8128, 8890, 10160, 10514, 12016, 12446, 14224, 15020, 15680, 16256, 17780, 20320, 21028, 24032, 24892, 26285, 28448, 30040, 31115, 31360, 35560, 36799, 40640, 42056, 48064, 49784, 52570, 56896, 60080, 62230, 71120, 73598, 81280, 84112, 95377, 96128, 99568, 105140, 113792, 120160, 124460, 142240, 147196, 168224, 183995, 190754, 199136, 210280, 240320, 248920, 284480, 294392, 336448, 367990, 381508, 398272, 420560, 476885, 480640, 497840, 568960, 588784, 667639, 672896, 735980, 763016, 796544, 841120, 953770, 995680, 1177568, 1335278, 1471960, 1526032, 1682240, 1907540, 1991360, 2355136, 2670556, 2943920, 3052064, 3338195, 3364480, 3815080, 3982720, 4673473, 4710272, 5341112, 5887840, 6104128, 6676390, 7630160, 9346946, 10682224, 11775680, 12208256, 13352780, 15260320, 18693892, 21364448, 23367365, 23551360, 26705560, 30520640, 37387784, 42728896, 46734730, 53411120, 61041280, 74775568, 85457792, 93469460, 106822240, 149551136, 186938920, 213644480, 299102272, 373877840, 427288960, 598204544, 747755680, 1495511360, 2991022720]

約数ペア:

[(1, 2991022720), (2, 1495511360), (4, 747755680), (5, 598204544), (7, 427288960), (8, 373877840), (10, 299102272), (14, 213644480), (16, 186938920), (20, 149551136), (28, 106822240), (32, 93469460), (35, 85457792), (40, 74775568), (49, 61041280), (56, 53411120), (64, 46734730), (70, 42728896), (80, 37387784), (98, 30520640), (112, 26705560), (127, 23551360), (128, 23367365), (140, 21364448), (160, 18693892), (196, 15260320), (224, 13352780), (245, 12208256), (254, 11775680), (280, 10682224), (320, 9346946), (392, 7630160), (448, 6676390), (490, 6104128), (508, 5887840), (560, 5341112), (635, 4710272), (640, 4673473), (751, 3982720), (784, 3815080), (889, 3364480), (896, 3338195), (980, 3052064), (1016, 2943920), (1120, 2670556), (1270, 2355136), (1502, 1991360), (1568, 1907540), (1778, 1682240), (1960, 1526032), (2032, 1471960), (2240, 1335278), (2540, 1177568), (3004, 995680), (3136, 953770), (3556, 841120), (3755, 796544), (3920, 763016), (4064, 735980), (4445, 672896), (4480, 667639), (5080, 588784), (5257, 568960), (6008, 497840), (6223, 480640), (6272, 476885), (7112, 420560), (7510, 398272), (7840, 381508), (8128, 367990), (8890, 336448), (10160, 294392), (10514, 284480), (12016, 248920), (12446, 240320), (14224, 210280), (15020, 199136), (15680, 190754), (16256, 183995), (17780, 168224), (20320, 147196), (21028, 142240), (24032, 124460), (24892, 120160), (26285, 113792), (28448, 105140), (30040, 99568), (31115, 96128), (31360, 95377), (35560, 84112), (36799, 81280), (40640, 73598), (42056, 71120), (48064, 62230), (49784, 60080), (52570, 56896)]