19974396960

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{660529}}^1$

素因数の和:660560

約数の個数: 192

約数和(自身を含む): 79897708800

約数和(自身を除く): 59923311840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 660529, 1321058, 1981587, 2642116, 3302645, 3963174, 4623703, 5284232, 5944761, 6605290, 7926348, 9247406, 9907935, 10568464, 11889522, 13210580, 13871109, 15852696, 17834283, 18494812, 19815870, 21136928, 23118515, 23779044, 26421160, 27742218, 29723805, 31705392, 35668566, 36989624, 39631740, 41613327, 46237030, 47558088, 52842320, 55484436, 59447610, 63410784, 69355545, 71337132, 73979248, 79263480, 83226654, 89171415, 92474060, 95116176, 105684640, 110968872, 118895220, 124839981, 138711090, 142674264, 147958496, 158526960, 166453308, 178342830, 184948120, 190232352, 208066635, 221937744, 237790440, 249679962, 277422180, 285348528, 317053920, 332906616, 356685660, 369896240, 416133270, 443875488, 475580880, 499359924, 554844360, 570697056, 624199905, 665813232, 713371320, 739792480, 832266540, 951161760, 998719848, 1109688720, 1248399810, 1331626464, 1426742640, 1664533080, 1997439696, 2219377440, 2496799620, 2853485280, 3329066160, 3994879392, 4993599240, 6658132320, 9987198480, 19974396960]

約数ペア:

[(1, 19974396960), (2, 9987198480), (3, 6658132320), (4, 4993599240), (5, 3994879392), (6, 3329066160), (7, 2853485280), (8, 2496799620), (9, 2219377440), (10, 1997439696), (12, 1664533080), (14, 1426742640), (15, 1331626464), (16, 1248399810), (18, 1109688720), (20, 998719848), (21, 951161760), (24, 832266540), (27, 739792480), (28, 713371320), (30, 665813232), (32, 624199905), (35, 570697056), (36, 554844360), (40, 499359924), (42, 475580880), (45, 443875488), (48, 416133270), (54, 369896240), (56, 356685660), (60, 332906616), (63, 317053920), (70, 285348528), (72, 277422180), (80, 249679962), (84, 237790440), (90, 221937744), (96, 208066635), (105, 190232352), (108, 184948120), (112, 178342830), (120, 166453308), (126, 158526960), (135, 147958496), (140, 142674264), (144, 138711090), (160, 124839981), (168, 118895220), (180, 110968872), (189, 105684640), (210, 95116176), (216, 92474060), (224, 89171415), (240, 83226654), (252, 79263480), (270, 73979248), (280, 71337132), (288, 69355545), (315, 63410784), (336, 59447610), (360, 55484436), (378, 52842320), (420, 47558088), (432, 46237030), (480, 41613327), (504, 39631740), (540, 36989624), (560, 35668566), (630, 31705392), (672, 29723805), (720, 27742218), (756, 26421160), (840, 23779044), (864, 23118515), (945, 21136928), (1008, 19815870), (1080, 18494812), (1120, 17834283), (1260, 15852696), (1440, 13871109), (1512, 13210580), (1680, 11889522), (1890, 10568464), (2016, 9907935), (2160, 9247406), (2520, 7926348), (3024, 6605290), (3360, 5944761), (3780, 5284232), (4320, 4623703), (5040, 3963174), (6048, 3302645), (7560, 2642116), (10080, 1981587), (15120, 1321058), (30240, 660529)]