20179666560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:747

約数の個数: 256

約数和(自身を含む): 65319592320

約数和(自身を除く): 45139925760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 113, 120, 128, 160, 192, 226, 240, 281, 320, 331, 339, 384, 452, 480, 562, 565, 640, 662, 678, 843, 904, 960, 993, 1124, 1130, 1324, 1356, 1405, 1655, 1686, 1695, 1808, 1920, 1986, 2248, 2260, 2648, 2712, 2810, 3310, 3372, 3390, 3616, 3972, 4215, 4496, 4520, 4965, 5296, 5424, 5620, 6620, 6744, 6780, 7232, 7944, 8430, 8992, 9040, 9930, 10592, 10848, 11240, 13240, 13488, 13560, 14464, 15888, 16860, 17984, 18080, 19860, 21184, 21696, 22480, 26480, 26976, 27120, 31753, 31776, 33720, 35968, 36160, 37403, 39720, 42368, 43392, 44960, 52960, 53952, 54240, 63506, 63552, 67440, 72320, 74806, 79440, 89920, 93011, 95259, 105920, 107904, 108480, 112209, 127012, 127104, 134880, 149612, 158765, 158880, 179840, 186022, 187015, 190518, 211840, 216960, 224418, 254024, 269760, 279033, 299224, 317530, 317760, 372044, 374030, 381036, 448836, 465055, 476295, 508048, 539520, 558066, 561045, 598448, 635060, 635520, 744088, 748060, 762072, 897672, 930110, 952590, 1016096, 1116132, 1122090, 1196896, 1270120, 1395165, 1488176, 1496120, 1524144, 1795344, 1860220, 1905180, 2032192, 2232264, 2244180, 2393792, 2540240, 2790330, 2976352, 2992240, 3048288, 3590688, 3720440, 3810360, 4064384, 4464528, 4488360, 4787584, 5080480, 5580660, 5952704, 5984480, 6096576, 7181376, 7440880, 7620720, 8929056, 8976720, 10160960, 10510243, 11161320, 11905408, 11968960, 12193152, 14362752, 14881760, 15241440, 17858112, 17953440, 20321920, 21020486, 22322640, 23937920, 29763520, 30482880, 31530729, 35716224, 35906880, 42040972, 44645280, 52551215, 59527040, 60965760, 63061458, 71813760, 84081944, 89290560, 105102430, 126122916, 157653645, 168163888, 178581120, 210204860, 252245832, 315307290, 336327776, 420409720, 504491664, 630614580, 672655552, 840819440, 1008983328, 1261229160, 1345311104, 1681638880, 2017966656, 2522458320, 3363277760, 4035933312, 5044916640, 6726555520, 10089833280, 20179666560]

約数ペア:

[(1, 20179666560), (2, 10089833280), (3, 6726555520), (4, 5044916640), (5, 4035933312), (6, 3363277760), (8, 2522458320), (10, 2017966656), (12, 1681638880), (15, 1345311104), (16, 1261229160), (20, 1008983328), (24, 840819440), (30, 672655552), (32, 630614580), (40, 504491664), (48, 420409720), (60, 336327776), (64, 315307290), (80, 252245832), (96, 210204860), (113, 178581120), (120, 168163888), (128, 157653645), (160, 126122916), (192, 105102430), (226, 89290560), (240, 84081944), (281, 71813760), (320, 63061458), (331, 60965760), (339, 59527040), (384, 52551215), (452, 44645280), (480, 42040972), (562, 35906880), (565, 35716224), (640, 31530729), (662, 30482880), (678, 29763520), (843, 23937920), (904, 22322640), (960, 21020486), (993, 20321920), (1124, 17953440), (1130, 17858112), (1324, 15241440), (1356, 14881760), (1405, 14362752), (1655, 12193152), (1686, 11968960), (1695, 11905408), (1808, 11161320), (1920, 10510243), (1986, 10160960), (2248, 8976720), (2260, 8929056), (2648, 7620720), (2712, 7440880), (2810, 7181376), (3310, 6096576), (3372, 5984480), (3390, 5952704), (3616, 5580660), (3972, 5080480), (4215, 4787584), (4496, 4488360), (4520, 4464528), (4965, 4064384), (5296, 3810360), (5424, 3720440), (5620, 3590688), (6620, 3048288), (6744, 2992240), (6780, 2976352), (7232, 2790330), (7944, 2540240), (8430, 2393792), (8992, 2244180), (9040, 2232264), (9930, 2032192), (10592, 1905180), (10848, 1860220), (11240, 1795344), (13240, 1524144), (13488, 1496120), (13560, 1488176), (14464, 1395165), (15888, 1270120), (16860, 1196896), (17984, 1122090), (18080, 1116132), (19860, 1016096), (21184, 952590), (21696, 930110), (22480, 897672), (26480, 762072), (26976, 748060), (27120, 744088), (31753, 635520), (31776, 635060), (33720, 598448), (35968, 561045), (36160, 558066), (37403, 539520), (39720, 508048), (42368, 476295), (43392, 465055), (44960, 448836), (52960, 381036), (53952, 374030), (54240, 372044), (63506, 317760), (63552, 317530), (67440, 299224), (72320, 279033), (74806, 269760), (79440, 254024), (89920, 224418), (93011, 216960), (95259, 211840), (105920, 190518), (107904, 187015), (108480, 186022), (112209, 179840), (127012, 158880), (127104, 158765), (134880, 149612)]