256875840

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2287}}^1$

素因数の和:2326

約数の個数: 224

約数和(自身を含む): 976335360

約数和(自身を除く): 719459520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1728, 1755, 1872, 2080, 2160, 2287, 2340, 2496, 2808, 2880, 3120, 3510, 3744, 4160, 4320, 4574, 4680, 5616, 6240, 6861, 7020, 7488, 8640, 9148, 9360, 11232, 11435, 12480, 13722, 14040, 18296, 18720, 20583, 22464, 22870, 27444, 28080, 29731, 34305, 36592, 37440, 41166, 45740, 54888, 56160, 59462, 61749, 68610, 73184, 82332, 89193, 91480, 102915, 109776, 112320, 118924, 123498, 137220, 146368, 148655, 164664, 178386, 182960, 205830, 219552, 237848, 246996, 267579, 274440, 297310, 308745, 329328, 356772, 365920, 411660, 439104, 445965, 475696, 493992, 535158, 548880, 594620, 617490, 658656, 713544, 731840, 802737, 823320, 891930, 951392, 987984, 1070316, 1097760, 1189240, 1234980, 1317312, 1337895, 1427088, 1605474, 1646640, 1783860, 1902784, 1975968, 2140632, 2195520, 2378480, 2469960, 2675790, 2854176, 3210948, 3293280, 3567720, 3951936, 4013685, 4281264, 4756960, 4939920, 5351580, 5708352, 6421896, 6586560, 7135440, 8027370, 8562528, 9513920, 9879840, 10703160, 12843792, 14270880, 16054740, 17125056, 19759680, 21406320, 25687584, 28541760, 32109480, 42812640, 51375168, 64218960, 85625280, 128437920, 256875840]

約数ペア:

[(1, 256875840), (2, 128437920), (3, 85625280), (4, 64218960), (5, 51375168), (6, 42812640), (8, 32109480), (9, 28541760), (10, 25687584), (12, 21406320), (13, 19759680), (15, 17125056), (16, 16054740), (18, 14270880), (20, 12843792), (24, 10703160), (26, 9879840), (27, 9513920), (30, 8562528), (32, 8027370), (36, 7135440), (39, 6586560), (40, 6421896), (45, 5708352), (48, 5351580), (52, 4939920), (54, 4756960), (60, 4281264), (64, 4013685), (65, 3951936), (72, 3567720), (78, 3293280), (80, 3210948), (90, 2854176), (96, 2675790), (104, 2469960), (108, 2378480), (117, 2195520), (120, 2140632), (130, 1975968), (135, 1902784), (144, 1783860), (156, 1646640), (160, 1605474), (180, 1427088), (192, 1337895), (195, 1317312), (208, 1234980), (216, 1189240), (234, 1097760), (240, 1070316), (260, 987984), (270, 951392), (288, 891930), (312, 823320), (320, 802737), (351, 731840), (360, 713544), (390, 658656), (416, 617490), (432, 594620), (468, 548880), (480, 535158), (520, 493992), (540, 475696), (576, 445965), (585, 439104), (624, 411660), (702, 365920), (720, 356772), (780, 329328), (832, 308745), (864, 297310), (936, 274440), (960, 267579), (1040, 246996), (1080, 237848), (1170, 219552), (1248, 205830), (1404, 182960), (1440, 178386), (1560, 164664), (1728, 148655), (1755, 146368), (1872, 137220), (2080, 123498), (2160, 118924), (2287, 112320), (2340, 109776), (2496, 102915), (2808, 91480), (2880, 89193), (3120, 82332), (3510, 73184), (3744, 68610), (4160, 61749), (4320, 59462), (4574, 56160), (4680, 54888), (5616, 45740), (6240, 41166), (6861, 37440), (7020, 36592), (7488, 34305), (8640, 29731), (9148, 28080), (9360, 27444), (11232, 22870), (11435, 22464), (12480, 20583), (13722, 18720), (14040, 18296)]