646323840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:472

約数の個数: 256

約数和(自身を含む): 2316297600

約数和(自身を除く): 1669973760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 113, 120, 128, 135, 144, 160, 180, 192, 216, 226, 240, 270, 288, 320, 331, 339, 360, 384, 432, 452, 480, 540, 565, 576, 640, 662, 678, 720, 864, 904, 960, 993, 1017, 1080, 1130, 1152, 1324, 1356, 1440, 1655, 1695, 1728, 1808, 1920, 1986, 2034, 2160, 2260, 2648, 2712, 2880, 2979, 3051, 3310, 3390, 3456, 3616, 3972, 4068, 4320, 4520, 4965, 5085, 5296, 5424, 5760, 5958, 6102, 6620, 6780, 7232, 7944, 8136, 8640, 8937, 9040, 9930, 10170, 10592, 10848, 11916, 12204, 13240, 13560, 14464, 14895, 15255, 15888, 16272, 17280, 17874, 18080, 19860, 20340, 21184, 21696, 23832, 24408, 26480, 27120, 29790, 30510, 31776, 32544, 35748, 36160, 37403, 39720, 40680, 42368, 43392, 44685, 47664, 48816, 52960, 54240, 59580, 61020, 63552, 65088, 71496, 72320, 74806, 79440, 81360, 89370, 95328, 97632, 105920, 108480, 112209, 119160, 122040, 127104, 130176, 142992, 149612, 158880, 162720, 178740, 187015, 190656, 195264, 211840, 216960, 224418, 238320, 244080, 285984, 299224, 317760, 325440, 336627, 357480, 374030, 381312, 390528, 448836, 476640, 488160, 561045, 571968, 598448, 635520, 650880, 673254, 714960, 748060, 897672, 953280, 976320, 1009881, 1122090, 1143936, 1196896, 1346508, 1429920, 1496120, 1683135, 1795344, 1906560, 1952640, 2019762, 2244180, 2393792, 2693016, 2859840, 2992240, 3366270, 3590688, 4039524, 4488360, 4787584, 5049405, 5386032, 5719680, 5984480, 6732540, 7181376, 8079048, 8976720, 10098810, 10772064, 11968960, 13465080, 14362752, 16158096, 17953440, 20197620, 21544128, 23937920, 26930160, 32316192, 35906880, 40395240, 43088256, 53860320, 64632384, 71813760, 80790480, 107720640, 129264768, 161580960, 215441280, 323161920, 646323840]

約数ペア:

[(1, 646323840), (2, 323161920), (3, 215441280), (4, 161580960), (5, 129264768), (6, 107720640), (8, 80790480), (9, 71813760), (10, 64632384), (12, 53860320), (15, 43088256), (16, 40395240), (18, 35906880), (20, 32316192), (24, 26930160), (27, 23937920), (30, 21544128), (32, 20197620), (36, 17953440), (40, 16158096), (45, 14362752), (48, 13465080), (54, 11968960), (60, 10772064), (64, 10098810), (72, 8976720), (80, 8079048), (90, 7181376), (96, 6732540), (108, 5984480), (113, 5719680), (120, 5386032), (128, 5049405), (135, 4787584), (144, 4488360), (160, 4039524), (180, 3590688), (192, 3366270), (216, 2992240), (226, 2859840), (240, 2693016), (270, 2393792), (288, 2244180), (320, 2019762), (331, 1952640), (339, 1906560), (360, 1795344), (384, 1683135), (432, 1496120), (452, 1429920), (480, 1346508), (540, 1196896), (565, 1143936), (576, 1122090), (640, 1009881), (662, 976320), (678, 953280), (720, 897672), (864, 748060), (904, 714960), (960, 673254), (993, 650880), (1017, 635520), (1080, 598448), (1130, 571968), (1152, 561045), (1324, 488160), (1356, 476640), (1440, 448836), (1655, 390528), (1695, 381312), (1728, 374030), (1808, 357480), (1920, 336627), (1986, 325440), (2034, 317760), (2160, 299224), (2260, 285984), (2648, 244080), (2712, 238320), (2880, 224418), (2979, 216960), (3051, 211840), (3310, 195264), (3390, 190656), (3456, 187015), (3616, 178740), (3972, 162720), (4068, 158880), (4320, 149612), (4520, 142992), (4965, 130176), (5085, 127104), (5296, 122040), (5424, 119160), (5760, 112209), (5958, 108480), (6102, 105920), (6620, 97632), (6780, 95328), (7232, 89370), (7944, 81360), (8136, 79440), (8640, 74806), (8937, 72320), (9040, 71496), (9930, 65088), (10170, 63552), (10592, 61020), (10848, 59580), (11916, 54240), (12204, 52960), (13240, 48816), (13560, 47664), (14464, 44685), (14895, 43392), (15255, 42368), (15888, 40680), (16272, 39720), (17280, 37403), (17874, 36160), (18080, 35748), (19860, 32544), (20340, 31776), (21184, 30510), (21696, 29790), (23832, 27120), (24408, 26480)]