20715727680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{701}}^1$

素因数の和:1086

約数の個数: 336

約数和(自身を含む): 73879423488

約数和(自身を除く): 53163695808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 331, 360, 372, 465, 480, 496, 558, 576, 620, 662, 701, 720, 744, 930, 960, 992, 993, 1116, 1240, 1324, 1395, 1402, 1440, 1488, 1655, 1860, 1984, 1986, 2103, 2232, 2480, 2648, 2790, 2804, 2880, 2976, 2979, 3310, 3505, 3720, 3972, 4206, 4464, 4960, 4965, 5296, 5580, 5608, 5952, 5958, 6309, 6620, 7010, 7440, 7944, 8412, 8928, 9920, 9930, 10261, 10515, 10592, 11160, 11216, 11916, 12618, 13240, 14020, 14880, 14895, 15888, 16824, 17856, 19860, 20522, 21030, 21184, 21731, 22320, 22432, 23832, 25236, 26480, 28040, 29760, 29790, 30783, 31545, 31776, 33648, 39720, 41044, 42060, 43462, 44640, 44864, 47664, 50472, 51305, 52960, 56080, 59580, 61566, 63090, 63552, 65193, 67296, 79440, 82088, 84120, 86924, 89280, 92349, 95328, 100944, 102610, 105920, 108655, 112160, 119160, 123132, 126180, 130386, 134592, 153915, 158880, 164176, 168240, 173848, 184698, 190656, 195579, 201888, 205220, 217310, 224320, 232031, 238320, 246264, 252360, 260772, 307830, 317760, 325965, 328352, 336480, 347696, 369396, 391158, 403776, 410440, 434620, 461745, 464062, 476640, 492528, 504720, 521544, 615660, 651930, 656704, 672960, 695392, 696093, 738792, 782316, 820880, 869240, 923490, 928124, 953280, 977895, 985056, 1009440, 1043088, 1160155, 1231320, 1303860, 1390784, 1392186, 1477584, 1564632, 1641760, 1738480, 1846980, 1856248, 1955790, 1970112, 2018880, 2086176, 2088279, 2320310, 2462640, 2607720, 2784372, 2955168, 3129264, 3283520, 3476960, 3480465, 3693960, 3712496, 3911580, 4172352, 4176558, 4640620, 4925280, 5215440, 5568744, 5910336, 6258528, 6953920, 6960930, 7192961, 7387920, 7424992, 7823160, 8353116, 9281240, 9850560, 10430880, 10441395, 11137488, 12517056, 13921860, 14385922, 14775840, 14849984, 15646320, 16706232, 18562480, 20861760, 20882790, 21578883, 22274976, 27843720, 28771844, 29551680, 31292640, 33412464, 35964805, 37124960, 41765580, 43157766, 44549952, 55687440, 57543688, 62585280, 64736649, 66824928, 71929610, 74249920, 83531160, 86315532, 107894415, 111374880, 115087376, 129473298, 133649856, 143859220, 167062320, 172631064, 215788830, 222749760, 230174752, 258946596, 287718440, 323683245, 334124640, 345262128, 431577660, 460349504, 517893192, 575436880, 647366490, 668249280, 690524256, 863155320, 1035786384, 1150873760, 1294732980, 1381048512, 1726310640, 2071572768, 2301747520, 2589465960, 3452621280, 4143145536, 5178931920, 6905242560, 10357863840, 20715727680]

約数ペア:

[(1, 20715727680), (2, 10357863840), (3, 6905242560), (4, 5178931920), (5, 4143145536), (6, 3452621280), (8, 2589465960), (9, 2301747520), (10, 2071572768), (12, 1726310640), (15, 1381048512), (16, 1294732980), (18, 1150873760), (20, 1035786384), (24, 863155320), (30, 690524256), (31, 668249280), (32, 647366490), (36, 575436880), (40, 517893192), (45, 460349504), (48, 431577660), (60, 345262128), (62, 334124640), (64, 323683245), (72, 287718440), (80, 258946596), (90, 230174752), (93, 222749760), (96, 215788830), (120, 172631064), (124, 167062320), (144, 143859220), (155, 133649856), (160, 129473298), (180, 115087376), (186, 111374880), (192, 107894415), (240, 86315532), (248, 83531160), (279, 74249920), (288, 71929610), (310, 66824928), (320, 64736649), (331, 62585280), (360, 57543688), (372, 55687440), (465, 44549952), (480, 43157766), (496, 41765580), (558, 37124960), (576, 35964805), (620, 33412464), (662, 31292640), (701, 29551680), (720, 28771844), (744, 27843720), (930, 22274976), (960, 21578883), (992, 20882790), (993, 20861760), (1116, 18562480), (1240, 16706232), (1324, 15646320), (1395, 14849984), (1402, 14775840), (1440, 14385922), (1488, 13921860), (1655, 12517056), (1860, 11137488), (1984, 10441395), (1986, 10430880), (2103, 9850560), (2232, 9281240), (2480, 8353116), (2648, 7823160), (2790, 7424992), (2804, 7387920), (2880, 7192961), (2976, 6960930), (2979, 6953920), (3310, 6258528), (3505, 5910336), (3720, 5568744), (3972, 5215440), (4206, 4925280), (4464, 4640620), (4960, 4176558), (4965, 4172352), (5296, 3911580), (5580, 3712496), (5608, 3693960), (5952, 3480465), (5958, 3476960), (6309, 3283520), (6620, 3129264), (7010, 2955168), (7440, 2784372), (7944, 2607720), (8412, 2462640), (8928, 2320310), (9920, 2088279), (9930, 2086176), (10261, 2018880), (10515, 1970112), (10592, 1955790), (11160, 1856248), (11216, 1846980), (11916, 1738480), (12618, 1641760), (13240, 1564632), (14020, 1477584), (14880, 1392186), (14895, 1390784), (15888, 1303860), (16824, 1231320), (17856, 1160155), (19860, 1043088), (20522, 1009440), (21030, 985056), (21184, 977895), (21731, 953280), (22320, 928124), (22432, 923490), (23832, 869240), (25236, 820880), (26480, 782316), (28040, 738792), (29760, 696093), (29790, 695392), (30783, 672960), (31545, 656704), (31776, 651930), (33648, 615660), (39720, 521544), (41044, 504720), (42060, 492528), (43462, 476640), (44640, 464062), (44864, 461745), (47664, 434620), (50472, 410440), (51305, 403776), (52960, 391158), (56080, 369396), (59580, 347696), (61566, 336480), (63090, 328352), (63552, 325965), (65193, 317760), (67296, 307830), (79440, 260772), (82088, 252360), (84120, 246264), (86924, 238320), (89280, 232031), (92349, 224320), (95328, 217310), (100944, 205220), (102610, 201888), (105920, 195579), (108655, 190656), (112160, 184698), (119160, 173848), (123132, 168240), (126180, 164176), (130386, 158880), (134592, 153915)]