16890720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:493

約数の個数: 192

約数和(自身を含む): 66479616

約数和(自身を除く): 49588896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 210, 220, 224, 231, 240, 264, 280, 308, 330, 336, 352, 385, 420, 440, 457, 462, 480, 528, 560, 616, 660, 672, 770, 840, 880, 914, 924, 1056, 1120, 1155, 1232, 1320, 1371, 1540, 1680, 1760, 1828, 1848, 2285, 2310, 2464, 2640, 2742, 3080, 3199, 3360, 3656, 3696, 4570, 4620, 5027, 5280, 5484, 6160, 6398, 6855, 7312, 7392, 9140, 9240, 9597, 10054, 10968, 12320, 12796, 13710, 14624, 15081, 15995, 18280, 18480, 19194, 20108, 21936, 25135, 25592, 27420, 30162, 31990, 35189, 36560, 36960, 38388, 40216, 43872, 47985, 50270, 51184, 54840, 60324, 63980, 70378, 73120, 75405, 76776, 80432, 95970, 100540, 102368, 105567, 109680, 120648, 127960, 140756, 150810, 153552, 160864, 175945, 191940, 201080, 211134, 219360, 241296, 255920, 281512, 301620, 307104, 351890, 383880, 402160, 422268, 482592, 511840, 527835, 563024, 603240, 703780, 767760, 804320, 844536, 1055670, 1126048, 1206480, 1407560, 1535520, 1689072, 2111340, 2412960, 2815120, 3378144, 4222680, 5630240, 8445360, 16890720]

約数ペア:

[(1, 16890720), (2, 8445360), (3, 5630240), (4, 4222680), (5, 3378144), (6, 2815120), (7, 2412960), (8, 2111340), (10, 1689072), (11, 1535520), (12, 1407560), (14, 1206480), (15, 1126048), (16, 1055670), (20, 844536), (21, 804320), (22, 767760), (24, 703780), (28, 603240), (30, 563024), (32, 527835), (33, 511840), (35, 482592), (40, 422268), (42, 402160), (44, 383880), (48, 351890), (55, 307104), (56, 301620), (60, 281512), (66, 255920), (70, 241296), (77, 219360), (80, 211134), (84, 201080), (88, 191940), (96, 175945), (105, 160864), (110, 153552), (112, 150810), (120, 140756), (132, 127960), (140, 120648), (154, 109680), (160, 105567), (165, 102368), (168, 100540), (176, 95970), (210, 80432), (220, 76776), (224, 75405), (231, 73120), (240, 70378), (264, 63980), (280, 60324), (308, 54840), (330, 51184), (336, 50270), (352, 47985), (385, 43872), (420, 40216), (440, 38388), (457, 36960), (462, 36560), (480, 35189), (528, 31990), (560, 30162), (616, 27420), (660, 25592), (672, 25135), (770, 21936), (840, 20108), (880, 19194), (914, 18480), (924, 18280), (1056, 15995), (1120, 15081), (1155, 14624), (1232, 13710), (1320, 12796), (1371, 12320), (1540, 10968), (1680, 10054), (1760, 9597), (1828, 9240), (1848, 9140), (2285, 7392), (2310, 7312), (2464, 6855), (2640, 6398), (2742, 6160), (3080, 5484), (3199, 5280), (3360, 5027), (3656, 4620), (3696, 4570)]