19854854880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 864

約数和(自身を含む): 81280475136

約数和(自身を除く): 61425620256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 23, 24, 28, 30, 32, 34, 35, 40, 42, 46, 48, 49, 51, 56, 60, 68, 69, 70, 80, 84, 85, 92, 96, 98, 102, 105, 112, 115, 119, 120, 127, 136, 138, 140, 147, 160, 161, 168, 170, 184, 196, 204, 210, 224, 230, 238, 240, 245, 254, 255, 272, 276, 280, 289, 294, 322, 336, 340, 345, 357, 368, 381, 391, 392, 408, 420, 460, 476, 480, 483, 490, 508, 510, 544, 552, 560, 578, 588, 595, 635, 644, 672, 680, 690, 714, 735, 736, 762, 782, 784, 805, 816, 833, 840, 867, 889, 920, 952, 966, 980, 1016, 1020, 1104, 1120, 1127, 1156, 1173, 1176, 1190, 1270, 1288, 1360, 1380, 1428, 1445, 1470, 1524, 1564, 1568, 1610, 1632, 1666, 1680, 1734, 1778, 1785, 1840, 1904, 1905, 1932, 1955, 1960, 2023, 2032, 2040, 2159, 2208, 2254, 2312, 2346, 2352, 2380, 2415, 2499, 2540, 2576, 2667, 2720, 2737, 2760, 2856, 2890, 2921, 2940, 3048, 3128, 3220, 3332, 3360, 3381, 3468, 3556, 3570, 3680, 3808, 3810, 3864, 3910, 3920, 4046, 4064, 4080, 4165, 4318, 4335, 4445, 4508, 4624, 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約数ペア:

[(1, 19854854880), (2, 9927427440), (3, 6618284960), (4, 4963713720), (5, 3970970976), (6, 3309142480), (7, 2836407840), (8, 2481856860), (10, 1985485488), (12, 1654571240), (14, 1418203920), (15, 1323656992), (16, 1240928430), (17, 1167932640), (20, 992742744), (21, 945469280), (23, 863254560), (24, 827285620), (28, 709101960), (30, 661828496), (32, 620464215), (34, 583966320), (35, 567281568), (40, 496371372), (42, 472734640), (46, 431627280), (48, 413642810), (49, 405201120), (51, 389310880), (56, 354550980), (60, 330914248), (68, 291983160), (69, 287751520), (70, 283640784), (80, 248185686), (84, 236367320), (85, 233586528), (92, 215813640), (96, 206821405), (98, 202600560), (102, 194655440), (105, 189093856), (112, 177275490), (115, 172650912), (119, 166847520), (120, 165457124), (127, 156337440), (136, 145991580), (138, 143875760), (140, 141820392), (147, 135067040), (160, 124092843), (161, 123322080), (168, 118183660), (170, 116793264), (184, 107906820), (196, 101300280), (204, 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