389435520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 256

約数和(自身を含む): 1308700800

約数和(自身を除く): 919265280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 53, 60, 64, 80, 86, 89, 96, 106, 120, 128, 129, 159, 160, 172, 178, 192, 212, 215, 240, 258, 265, 267, 318, 320, 344, 356, 384, 424, 430, 445, 480, 516, 530, 534, 636, 640, 645, 688, 712, 795, 848, 860, 890, 960, 1032, 1060, 1068, 1272, 1290, 1335, 1376, 1424, 1590, 1696, 1720, 1780, 1920, 2064, 2120, 2136, 2279, 2544, 2580, 2670, 2752, 2848, 3180, 3392, 3440, 3560, 3827, 4128, 4240, 4272, 4558, 4717, 5088, 5160, 5340, 5504, 5696, 6360, 6784, 6837, 6880, 7120, 7654, 8256, 8480, 8544, 9116, 9434, 10176, 10320, 10680, 11392, 11395, 11481, 12720, 13674, 13760, 14151, 14240, 15308, 16512, 16960, 17088, 18232, 18868, 19135, 20352, 20640, 21360, 22790, 22962, 23585, 25440, 27348, 27520, 28302, 28480, 30616, 33920, 34176, 34185, 36464, 37736, 38270, 41280, 42720, 45580, 45924, 47170, 50880, 54696, 56604, 56960, 57405, 61232, 68370, 70755, 72928, 75472, 76540, 82560, 85440, 91160, 91848, 94340, 101760, 109392, 113208, 114810, 122464, 136740, 141510, 145856, 150944, 153080, 170880, 182320, 183696, 188680, 202831, 218784, 226416, 229620, 244928, 273480, 283020, 291712, 301888, 306160, 364640, 367392, 377360, 405662, 437568, 452832, 459240, 489856, 546960, 566040, 603776, 608493, 612320, 729280, 734784, 754720, 811324, 875136, 905664, 918480, 1014155, 1093920, 1132080, 1216986, 1224640, 1458560, 1469568, 1509440, 1622648, 1811328, 1836960, 2028310, 2187840, 2264160, 2433972, 2449280, 3018880, 3042465, 3245296, 3673920, 4056620, 4375680, 4528320, 4867944, 6084930, 6490592, 7347840, 8113240, 9056640, 9735888, 12169860, 12981184, 16226480, 19471776, 24339720, 25962368, 32452960, 38943552, 48679440, 64905920, 77887104, 97358880, 129811840, 194717760, 389435520]

約数ペア:

[(1, 389435520), (2, 194717760), (3, 129811840), (4, 97358880), (5, 77887104), (6, 64905920), (8, 48679440), (10, 38943552), (12, 32452960), (15, 25962368), (16, 24339720), (20, 19471776), (24, 16226480), (30, 12981184), (32, 12169860), (40, 9735888), (43, 9056640), (48, 8113240), (53, 7347840), (60, 6490592), (64, 6084930), (80, 4867944), (86, 4528320), (89, 4375680), (96, 4056620), (106, 3673920), (120, 3245296), (128, 3042465), (129, 3018880), (159, 2449280), (160, 2433972), (172, 2264160), (178, 2187840), (192, 2028310), (212, 1836960), (215, 1811328), (240, 1622648), (258, 1509440), (265, 1469568), (267, 1458560), (318, 1224640), (320, 1216986), (344, 1132080), (356, 1093920), (384, 1014155), (424, 918480), (430, 905664), (445, 875136), (480, 811324), (516, 754720), (530, 734784), (534, 729280), (636, 612320), (640, 608493), (645, 603776), (688, 566040), (712, 546960), (795, 489856), (848, 459240), (860, 452832), (890, 437568), (960, 405662), (1032, 377360), (1060, 367392), (1068, 364640), (1272, 306160), (1290, 301888), (1335, 291712), (1376, 283020), (1424, 273480), (1590, 244928), (1696, 229620), (1720, 226416), (1780, 218784), (1920, 202831), (2064, 188680), (2120, 183696), (2136, 182320), (2279, 170880), (2544, 153080), (2580, 150944), (2670, 145856), (2752, 141510), (2848, 136740), (3180, 122464), (3392, 114810), (3440, 113208), (3560, 109392), (3827, 101760), (4128, 94340), (4240, 91848), (4272, 91160), (4558, 85440), (4717, 82560), (5088, 76540), (5160, 75472), (5340, 72928), (5504, 70755), (5696, 68370), (6360, 61232), (6784, 57405), (6837, 56960), (6880, 56604), (7120, 54696), (7654, 50880), (8256, 47170), (8480, 45924), (8544, 45580), (9116, 42720), (9434, 41280), (10176, 38270), (10320, 37736), (10680, 36464), (11392, 34185), (11395, 34176), (11481, 33920), (12720, 30616), (13674, 28480), (13760, 28302), (14151, 27520), (14240, 27348), (15308, 25440), (16512, 23585), (16960, 22962), (17088, 22790), (18232, 21360), (18868, 20640), (19135, 20352)]