251339520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 288

約数和(自身を含む): 866819520

約数和(自身を除く): 615480000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 37, 40, 48, 58, 60, 61, 64, 74, 80, 87, 96, 111, 116, 120, 122, 128, 145, 148, 160, 174, 183, 185, 192, 222, 232, 240, 244, 256, 290, 296, 305, 320, 348, 366, 370, 384, 435, 444, 464, 480, 488, 555, 580, 592, 610, 640, 696, 732, 740, 768, 870, 888, 915, 928, 960, 976, 1073, 1110, 1160, 1184, 1220, 1280, 1392, 1464, 1480, 1740, 1769, 1776, 1830, 1856, 1920, 1952, 2146, 2220, 2257, 2320, 2368, 2440, 2784, 2928, 2960, 3219, 3480, 3538, 3552, 3660, 3712, 3840, 3904, 4292, 4440, 4514, 4640, 4736, 4880, 5307, 5365, 5568, 5856, 5920, 6438, 6771, 6960, 7076, 7104, 7320, 7424, 7808, 8584, 8845, 8880, 9028, 9280, 9472, 9760, 10614, 10730, 11136, 11285, 11712, 11840, 12876, 13542, 13920, 14152, 14208, 14640, 15616, 16095, 17168, 17690, 17760, 18056, 18560, 19520, 21228, 21460, 22272, 22570, 23424, 23680, 25752, 26535, 27084, 27840, 28304, 28416, 29280, 32190, 33855, 34336, 35380, 35520, 36112, 37120, 39040, 42456, 42920, 45140, 46848, 47360, 51504, 53070, 54168, 55680, 56608, 58560, 64380, 65453, 67710, 68672, 70760, 71040, 72224, 78080, 84912, 85840, 90280, 103008, 106140, 108336, 111360, 113216, 117120, 128760, 130906, 135420, 137344, 141520, 142080, 144448, 169824, 171680, 180560, 196359, 206016, 212280, 216672, 226432, 234240, 257520, 261812, 270840, 274688, 283040, 288896, 327265, 339648, 343360, 361120, 392718, 412032, 424560, 433344, 452864, 515040, 523624, 541680, 566080, 577792, 654530, 679296, 686720, 722240, 785436, 824064, 849120, 866688, 981795, 1030080, 1047248, 1083360, 1132160, 1309060, 1358592, 1373440, 1444480, 1570872, 1698240, 1733376, 1963590, 2060160, 2094496, 2166720, 2264320, 2618120, 2888960, 3141744, 3396480, 3927180, 4120320, 4188992, 4333440, 5236240, 6283488, 6792960, 7854360, 8377984, 8666880, 10472480, 12566976, 15708720, 16755968, 20944960, 25133952, 31417440, 41889920, 50267904, 62834880, 83779840, 125669760, 251339520]

約数ペア:

[(1, 251339520), (2, 125669760), (3, 83779840), (4, 62834880), (5, 50267904), (6, 41889920), (8, 31417440), (10, 25133952), (12, 20944960), (15, 16755968), (16, 15708720), (20, 12566976), (24, 10472480), (29, 8666880), (30, 8377984), (32, 7854360), (37, 6792960), (40, 6283488), (48, 5236240), (58, 4333440), (60, 4188992), (61, 4120320), (64, 3927180), (74, 3396480), (80, 3141744), (87, 2888960), (96, 2618120), (111, 2264320), (116, 2166720), (120, 2094496), (122, 2060160), (128, 1963590), (145, 1733376), (148, 1698240), (160, 1570872), (174, 1444480), (183, 1373440), (185, 1358592), (192, 1309060), (222, 1132160), (232, 1083360), (240, 1047248), (244, 1030080), (256, 981795), (290, 866688), (296, 849120), (305, 824064), (320, 785436), (348, 722240), (366, 686720), (370, 679296), (384, 654530), (435, 577792), (444, 566080), (464, 541680), (480, 523624), (488, 515040), (555, 452864), (580, 433344), (592, 424560), (610, 412032), (640, 392718), (696, 361120), (732, 343360), (740, 339648), (768, 327265), (870, 288896), (888, 283040), (915, 274688), (928, 270840), (960, 261812), (976, 257520), (1073, 234240), (1110, 226432), (1160, 216672), (1184, 212280), (1220, 206016), (1280, 196359), (1392, 180560), (1464, 171680), (1480, 169824), (1740, 144448), (1769, 142080), (1776, 141520), (1830, 137344), (1856, 135420), (1920, 130906), (1952, 128760), (2146, 117120), (2220, 113216), (2257, 111360), (2320, 108336), (2368, 106140), (2440, 103008), (2784, 90280), (2928, 85840), (2960, 84912), (3219, 78080), (3480, 72224), (3538, 71040), (3552, 70760), (3660, 68672), (3712, 67710), (3840, 65453), (3904, 64380), (4292, 58560), (4440, 56608), (4514, 55680), (4640, 54168), (4736, 53070), (4880, 51504), (5307, 47360), (5365, 46848), (5568, 45140), (5856, 42920), (5920, 42456), (6438, 39040), (6771, 37120), (6960, 36112), (7076, 35520), (7104, 35380), (7320, 34336), (7424, 33855), (7808, 32190), (8584, 29280), (8845, 28416), (8880, 28304), (9028, 27840), (9280, 27084), (9472, 26535), (9760, 25752), (10614, 23680), (10730, 23424), (11136, 22570), (11285, 22272), (11712, 21460), (11840, 21228), (12876, 19520), (13542, 18560), (13920, 18056), (14152, 17760), (14208, 17690), (14640, 17168), (15616, 16095)]