281990880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6317}}^1$

素因数の和:6369

約数の個数: 144

約数和(自身を含む): 993492864

約数和(自身を除く): 711501984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4960, 5580, 6317, 7440, 8928, 11160, 12634, 14880, 18951, 22320, 25268, 31585, 37902, 44640, 50536, 56853, 63170, 75804, 94755, 101072, 113706, 126340, 151608, 189510, 195827, 202144, 227412, 252680, 284265, 303216, 379020, 391654, 454824, 505360, 568530, 587481, 606432, 758040, 783308, 909648, 979135, 1010720, 1137060, 1174962, 1516080, 1566616, 1762443, 1819296, 1958270, 2274120, 2349924, 2937405, 3032160, 3133232, 3524886, 3916540, 4548240, 4699848, 5874810, 6266464, 7049772, 7833080, 8812215, 9096480, 9399696, 11749620, 14099544, 15666160, 17624430, 18799392, 23499240, 28199088, 31332320, 35248860, 46998480, 56398176, 70497720, 93996960, 140995440, 281990880]

約数ペア:

[(1, 281990880), (2, 140995440), (3, 93996960), (4, 70497720), (5, 56398176), (6, 46998480), (8, 35248860), (9, 31332320), (10, 28199088), (12, 23499240), (15, 18799392), (16, 17624430), (18, 15666160), (20, 14099544), (24, 11749620), (30, 9399696), (31, 9096480), (32, 8812215), (36, 7833080), (40, 7049772), (45, 6266464), (48, 5874810), (60, 4699848), (62, 4548240), (72, 3916540), (80, 3524886), (90, 3133232), (93, 3032160), (96, 2937405), (120, 2349924), (124, 2274120), (144, 1958270), (155, 1819296), (160, 1762443), (180, 1566616), (186, 1516080), (240, 1174962), (248, 1137060), (279, 1010720), (288, 979135), (310, 909648), (360, 783308), (372, 758040), (465, 606432), (480, 587481), (496, 568530), (558, 505360), (620, 454824), (720, 391654), (744, 379020), (930, 303216), (992, 284265), (1116, 252680), (1240, 227412), (1395, 202144), (1440, 195827), (1488, 189510), (1860, 151608), (2232, 126340), (2480, 113706), (2790, 101072), (2976, 94755), (3720, 75804), (4464, 63170), (4960, 56853), (5580, 50536), (6317, 44640), (7440, 37902), (8928, 31585), (11160, 25268), (12634, 22320), (14880, 18951)]