1316161920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:481

約数の個数: 256

約数和(自身を含む): 4470048000

約数和(自身を除く): 3153886080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 109, 114, 120, 128, 152, 160, 190, 192, 218, 228, 240, 285, 304, 320, 327, 331, 380, 384, 436, 456, 480, 545, 570, 608, 640, 654, 662, 760, 872, 912, 960, 993, 1090, 1140, 1216, 1308, 1324, 1520, 1635, 1655, 1744, 1824, 1920, 1986, 2071, 2180, 2280, 2432, 2616, 2648, 3040, 3270, 3310, 3488, 3648, 3972, 4142, 4360, 4560, 4965, 5232, 5296, 6080, 6213, 6289, 6540, 6620, 6976, 7296, 7944, 8284, 8720, 9120, 9930, 10355, 10464, 10592, 12160, 12426, 12578, 13080, 13240, 13952, 15888, 16568, 17440, 18240, 18867, 19860, 20710, 20928, 21184, 24852, 25156, 26160, 26480, 31065, 31445, 31776, 33136, 34880, 36079, 36480, 37734, 39720, 41420, 41856, 42368, 49704, 50312, 52320, 52960, 62130, 62890, 63552, 66272, 69760, 72158, 75468, 79440, 82840, 94335, 99408, 100624, 104640, 105920, 108237, 124260, 125780, 127104, 132544, 144316, 150936, 158880, 165680, 180395, 188670, 198816, 201248, 209280, 211840, 216474, 248520, 251560, 265088, 288632, 301872, 317760, 331360, 360790, 377340, 397632, 402496, 432948, 497040, 503120, 541185, 577264, 603744, 635520, 662720, 685501, 721580, 754680, 795264, 804992, 865896, 994080, 1006240, 1082370, 1154528, 1207488, 1325440, 1371002, 1443160, 1509360, 1731792, 1988160, 2012480, 2056503, 2164740, 2309056, 2414976, 2742004, 2886320, 3018720, 3427505, 3463584, 3976320, 4024960, 4113006, 4329480, 4618112, 5484008, 5772640, 6037440, 6855010, 6927168, 8226012, 8658960, 10282515, 10968016, 11545280, 12074880, 13710020, 13854336, 16452024, 17317920, 20565030, 21936032, 23090560, 27420040, 32904048, 34635840, 41130060, 43872064, 54840080, 65808096, 69271680, 82260120, 87744128, 109680160, 131616192, 164520240, 219360320, 263232384, 329040480, 438720640, 658080960, 1316161920]

約数ペア:

[(1, 1316161920), (2, 658080960), (3, 438720640), (4, 329040480), (5, 263232384), (6, 219360320), (8, 164520240), (10, 131616192), (12, 109680160), (15, 87744128), (16, 82260120), (19, 69271680), (20, 65808096), (24, 54840080), (30, 43872064), (32, 41130060), (38, 34635840), (40, 32904048), (48, 27420040), (57, 23090560), (60, 21936032), (64, 20565030), (76, 17317920), (80, 16452024), (95, 13854336), (96, 13710020), (109, 12074880), (114, 11545280), (120, 10968016), (128, 10282515), (152, 8658960), (160, 8226012), (190, 6927168), (192, 6855010), (218, 6037440), (228, 5772640), (240, 5484008), (285, 4618112), (304, 4329480), (320, 4113006), (327, 4024960), (331, 3976320), (380, 3463584), (384, 3427505), (436, 3018720), (456, 2886320), (480, 2742004), (545, 2414976), (570, 2309056), (608, 2164740), (640, 2056503), (654, 2012480), (662, 1988160), (760, 1731792), (872, 1509360), (912, 1443160), (960, 1371002), (993, 1325440), (1090, 1207488), (1140, 1154528), (1216, 1082370), (1308, 1006240), (1324, 994080), (1520, 865896), (1635, 804992), (1655, 795264), (1744, 754680), (1824, 721580), (1920, 685501), (1986, 662720), (2071, 635520), (2180, 603744), (2280, 577264), (2432, 541185), (2616, 503120), (2648, 497040), (3040, 432948), (3270, 402496), (3310, 397632), (3488, 377340), (3648, 360790), (3972, 331360), (4142, 317760), (4360, 301872), (4560, 288632), (4965, 265088), (5232, 251560), (5296, 248520), (6080, 216474), (6213, 211840), (6289, 209280), (6540, 201248), (6620, 198816), (6976, 188670), (7296, 180395), (7944, 165680), (8284, 158880), (8720, 150936), (9120, 144316), (9930, 132544), (10355, 127104), (10464, 125780), (10592, 124260), (12160, 108237), (12426, 105920), (12578, 104640), (13080, 100624), (13240, 99408), (13952, 94335), (15888, 82840), (16568, 79440), (17440, 75468), (18240, 72158), (18867, 69760), (19860, 66272), (20710, 63552), (20928, 62890), (21184, 62130), (24852, 52960), (25156, 52320), (26160, 50312), (26480, 49704), (31065, 42368), (31445, 41856), (31776, 41420), (33136, 39720), (34880, 37734), (36079, 36480)]