25640640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:359

約数の個数: 168

約数和(自身を含む): 91531440

約数和(自身を除く): 65890800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 192, 232, 240, 261, 288, 290, 307, 320, 348, 360, 435, 464, 480, 522, 576, 580, 614, 696, 720, 870, 921, 928, 960, 1044, 1160, 1228, 1305, 1392, 1440, 1535, 1740, 1842, 1856, 2088, 2320, 2456, 2610, 2763, 2784, 2880, 3070, 3480, 3684, 4176, 4605, 4640, 4912, 5220, 5526, 5568, 6140, 6960, 7368, 8352, 8903, 9210, 9280, 9824, 10440, 11052, 12280, 13815, 13920, 14736, 16704, 17806, 18420, 19648, 20880, 22104, 24560, 26709, 27630, 27840, 29472, 35612, 36840, 41760, 44208, 44515, 49120, 53418, 55260, 58944, 71224, 73680, 80127, 83520, 88416, 89030, 98240, 106836, 110520, 133545, 142448, 147360, 160254, 176832, 178060, 213672, 221040, 267090, 284896, 294720, 320508, 356120, 400635, 427344, 442080, 534180, 569792, 641016, 712240, 801270, 854688, 884160, 1068360, 1282032, 1424480, 1602540, 1709376, 2136720, 2564064, 2848960, 3205080, 4273440, 5128128, 6410160, 8546880, 12820320, 25640640]

約数ペア:

[(1, 25640640), (2, 12820320), (3, 8546880), (4, 6410160), (5, 5128128), (6, 4273440), (8, 3205080), (9, 2848960), (10, 2564064), (12, 2136720), (15, 1709376), (16, 1602540), (18, 1424480), (20, 1282032), (24, 1068360), (29, 884160), (30, 854688), (32, 801270), (36, 712240), (40, 641016), (45, 569792), (48, 534180), (58, 442080), (60, 427344), (64, 400635), (72, 356120), (80, 320508), (87, 294720), (90, 284896), (96, 267090), (116, 221040), (120, 213672), (144, 178060), (145, 176832), (160, 160254), (174, 147360), (180, 142448), (192, 133545), (232, 110520), (240, 106836), (261, 98240), (288, 89030), (290, 88416), (307, 83520), (320, 80127), (348, 73680), (360, 71224), (435, 58944), (464, 55260), (480, 53418), (522, 49120), (576, 44515), (580, 44208), (614, 41760), (696, 36840), (720, 35612), (870, 29472), (921, 27840), (928, 27630), (960, 26709), (1044, 24560), (1160, 22104), (1228, 20880), (1305, 19648), (1392, 18420), (1440, 17806), (1535, 16704), (1740, 14736), (1842, 13920), (1856, 13815), (2088, 12280), (2320, 11052), (2456, 10440), (2610, 9824), (2763, 9280), (2784, 9210), (2880, 8903), (3070, 8352), (3480, 7368), (3684, 6960), (4176, 6140), (4605, 5568), (4640, 5526), (4912, 5220)]