128344320

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:897

約数の個数: 216

約数和(自身を含む): 478774296

約数和(自身を除く): 350429976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 768, 780, 832, 857, 936, 960, 1040, 1152, 1170, 1248, 1280, 1440, 1560, 1664, 1714, 1872, 1920, 2080, 2304, 2340, 2496, 2571, 2880, 3120, 3328, 3428, 3744, 3840, 4160, 4285, 4680, 4992, 5142, 5760, 6240, 6856, 7488, 7713, 8320, 8570, 9360, 9984, 10284, 11141, 11520, 12480, 12855, 13712, 14976, 15426, 16640, 17140, 18720, 20568, 22282, 24960, 25710, 27424, 29952, 30852, 33423, 34280, 37440, 38565, 41136, 44564, 49920, 51420, 54848, 55705, 61704, 66846, 68560, 74880, 77130, 82272, 89128, 100269, 102840, 109696, 111410, 123408, 133692, 137120, 149760, 154260, 164544, 167115, 178256, 200538, 205680, 219392, 222820, 246816, 267384, 274240, 308520, 329088, 334230, 356512, 401076, 411360, 445640, 493632, 501345, 534768, 548480, 617040, 658176, 668460, 713024, 802152, 822720, 891280, 987264, 1002690, 1069536, 1096960, 1234080, 1336920, 1426048, 1604304, 1645440, 1782560, 1974528, 2005380, 2139072, 2468160, 2673840, 2852096, 3208608, 3290880, 3565120, 4010760, 4278144, 4936320, 5347680, 6417216, 7130240, 8021520, 8556288, 9872640, 10695360, 12834432, 14260480, 16043040, 21390720, 25668864, 32086080, 42781440, 64172160, 128344320]

約数ペア:

[(1, 128344320), (2, 64172160), (3, 42781440), (4, 32086080), (5, 25668864), (6, 21390720), (8, 16043040), (9, 14260480), (10, 12834432), (12, 10695360), (13, 9872640), (15, 8556288), (16, 8021520), (18, 7130240), (20, 6417216), (24, 5347680), (26, 4936320), (30, 4278144), (32, 4010760), (36, 3565120), (39, 3290880), (40, 3208608), (45, 2852096), (48, 2673840), (52, 2468160), (60, 2139072), (64, 2005380), (65, 1974528), (72, 1782560), (78, 1645440), (80, 1604304), (90, 1426048), (96, 1336920), (104, 1234080), (117, 1096960), (120, 1069536), (128, 1002690), (130, 987264), (144, 891280), (156, 822720), (160, 802152), (180, 713024), (192, 668460), (195, 658176), (208, 617040), (234, 548480), (240, 534768), (256, 501345), (260, 493632), (288, 445640), (312, 411360), (320, 401076), (360, 356512), (384, 334230), (390, 329088), (416, 308520), (468, 274240), (480, 267384), (520, 246816), (576, 222820), (585, 219392), (624, 205680), (640, 200538), (720, 178256), (768, 167115), (780, 164544), (832, 154260), (857, 149760), (936, 137120), (960, 133692), (1040, 123408), (1152, 111410), (1170, 109696), (1248, 102840), (1280, 100269), (1440, 89128), (1560, 82272), (1664, 77130), (1714, 74880), (1872, 68560), (1920, 66846), (2080, 61704), (2304, 55705), (2340, 54848), (2496, 51420), (2571, 49920), (2880, 44564), (3120, 41136), (3328, 38565), (3428, 37440), (3744, 34280), (3840, 33423), (4160, 30852), (4285, 29952), (4680, 27424), (4992, 25710), (5142, 24960), (5760, 22282), (6240, 20568), (6856, 18720), (7488, 17140), (7713, 16640), (8320, 15426), (8570, 14976), (9360, 13712), (9984, 12855), (10284, 12480), (11141, 11520)]