42781440

素因数分解:

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

素因数の和:894

約数の個数: 144

約数和(自身を含む): 147315168

約数和(自身を除く): 104533728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 857, 960, 1040, 1248, 1280, 1560, 1664, 1714, 1920, 2080, 2496, 2571, 3120, 3328, 3428, 3840, 4160, 4285, 4992, 5142, 6240, 6856, 8320, 8570, 9984, 10284, 11141, 12480, 12855, 13712, 16640, 17140, 20568, 22282, 24960, 25710, 27424, 33423, 34280, 41136, 44564, 49920, 51420, 54848, 55705, 66846, 68560, 82272, 89128, 102840, 109696, 111410, 133692, 137120, 164544, 167115, 178256, 205680, 219392, 222820, 267384, 274240, 329088, 334230, 356512, 411360, 445640, 534768, 548480, 658176, 668460, 713024, 822720, 891280, 1069536, 1096960, 1336920, 1426048, 1645440, 1782560, 2139072, 2673840, 2852096, 3290880, 3565120, 4278144, 5347680, 7130240, 8556288, 10695360, 14260480, 21390720, 42781440]

約数ペア:

[(1, 42781440), (2, 21390720), (3, 14260480), (4, 10695360), (5, 8556288), (6, 7130240), (8, 5347680), (10, 4278144), (12, 3565120), (13, 3290880), (15, 2852096), (16, 2673840), (20, 2139072), (24, 1782560), (26, 1645440), (30, 1426048), (32, 1336920), (39, 1096960), (40, 1069536), (48, 891280), (52, 822720), (60, 713024), (64, 668460), (65, 658176), (78, 548480), (80, 534768), (96, 445640), (104, 411360), (120, 356512), (128, 334230), (130, 329088), (156, 274240), (160, 267384), (192, 222820), (195, 219392), (208, 205680), (240, 178256), (256, 167115), (260, 164544), (312, 137120), (320, 133692), (384, 111410), (390, 109696), (416, 102840), (480, 89128), (520, 82272), (624, 68560), (640, 66846), (768, 55705), (780, 54848), (832, 51420), (857, 49920), (960, 44564), (1040, 41136), (1248, 34280), (1280, 33423), (1560, 27424), (1664, 25710), (1714, 24960), (1920, 22282), (2080, 20568), (2496, 17140), (2571, 16640), (3120, 13712), (3328, 12855), (3428, 12480), (3840, 11141), (4160, 10284), (4285, 9984), (4992, 8570), (5142, 8320), (6240, 6856)]