251631360

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{809}}^1$

素因数の和:845

約数の個数: 216

約数和(自身を含む): 903979440

約数和(自身を除く): 652348080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 768, 809, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1618, 1620, 1728, 1920, 1944, 2160, 2304, 2427, 2430, 2592, 2880, 3236, 3240, 3456, 3840, 3888, 4045, 4320, 4854, 4860, 5184, 5760, 6472, 6480, 6912, 7281, 7776, 8090, 8640, 9708, 9720, 10368, 11520, 12135, 12944, 12960, 14562, 15552, 16180, 17280, 19416, 19440, 20736, 21843, 24270, 25888, 25920, 29124, 31104, 32360, 34560, 36405, 38832, 38880, 43686, 48540, 51776, 51840, 58248, 62208, 64720, 65529, 72810, 77664, 77760, 87372, 97080, 103552, 103680, 109215, 116496, 129440, 131058, 145620, 155328, 155520, 174744, 194160, 196587, 207104, 218430, 232992, 258880, 262116, 291240, 310656, 311040, 327645, 349488, 388320, 393174, 436860, 465984, 517760, 524232, 582480, 621312, 655290, 698976, 776640, 786348, 873720, 931968, 982935, 1035520, 1048464, 1164960, 1310580, 1397952, 1553280, 1572696, 1747440, 1863936, 1965870, 2096928, 2329920, 2621160, 2795904, 3106560, 3145392, 3494880, 3931740, 4193856, 4659840, 5242320, 5591808, 6290784, 6989760, 7863480, 8387712, 9319680, 10484640, 12581568, 13979520, 15726960, 16775424, 20969280, 25163136, 27959040, 31453920, 41938560, 50326272, 62907840, 83877120, 125815680, 251631360]

約数ペア:

[(1, 251631360), (2, 125815680), (3, 83877120), (4, 62907840), (5, 50326272), (6, 41938560), (8, 31453920), (9, 27959040), (10, 25163136), (12, 20969280), (15, 16775424), (16, 15726960), (18, 13979520), (20, 12581568), (24, 10484640), (27, 9319680), (30, 8387712), (32, 7863480), (36, 6989760), (40, 6290784), (45, 5591808), (48, 5242320), (54, 4659840), (60, 4193856), (64, 3931740), (72, 3494880), (80, 3145392), (81, 3106560), (90, 2795904), (96, 2621160), (108, 2329920), (120, 2096928), (128, 1965870), (135, 1863936), (144, 1747440), (160, 1572696), (162, 1553280), (180, 1397952), (192, 1310580), (216, 1164960), (240, 1048464), (243, 1035520), (256, 982935), (270, 931968), (288, 873720), (320, 786348), (324, 776640), (360, 698976), (384, 655290), (405, 621312), (432, 582480), (480, 524232), (486, 517760), (540, 465984), (576, 436860), (640, 393174), (648, 388320), (720, 349488), (768, 327645), (809, 311040), (810, 310656), (864, 291240), (960, 262116), (972, 258880), (1080, 232992), (1152, 218430), (1215, 207104), (1280, 196587), (1296, 194160), (1440, 174744), (1618, 155520), (1620, 155328), (1728, 145620), (1920, 131058), (1944, 129440), (2160, 116496), (2304, 109215), (2427, 103680), (2430, 103552), (2592, 97080), (2880, 87372), (3236, 77760), (3240, 77664), (3456, 72810), (3840, 65529), (3888, 64720), (4045, 62208), (4320, 58248), (4854, 51840), (4860, 51776), (5184, 48540), (5760, 43686), (6472, 38880), (6480, 38832), (6912, 36405), (7281, 34560), (7776, 32360), (8090, 31104), (8640, 29124), (9708, 25920), (9720, 25888), (10368, 24270), (11520, 21843), (12135, 20736), (12944, 19440), (12960, 19416), (14562, 17280), (15552, 16180)]