638094240

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{21101}}^1$

素因数の和:21132

約数の個数: 192

約数和(自身を含む): 2552497920

約数和(自身を除く): 1914403680

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, 21101, 30240, 42202, 63303, 84404, 105505, 126606, 147707, 168808, 189909, 211010, 253212, 295414, 316515, 337616, 379818, 422020, 443121, 506424, 569727, 590828, 633030, 675232, 738535, 759636, 844040, 886242, 949545, 1012848, 1139454, 1181656, 1266060, 1329363, 1477070, 1519272, 1688080, 1772484, 1899090, 2025696, 2215605, 2278908, 2363312, 2532120, 2658726, 2848635, 2954140, 3038544, 3376160, 3544968, 3798180, 3988089, 4431210, 4557816, 4726624, 5064240, 5317452, 5697270, 5908280, 6077088, 6646815, 7089936, 7596360, 7976178, 8862420, 9115632, 10128480, 10634904, 11394540, 11816560, 13293630, 14179872, 15192720, 15952356, 17724840, 18231264, 19940445, 21269808, 22789080, 23633120, 26587260, 30385440, 31904712, 35449680, 39880890, 42539616, 45578160, 53174520, 63809424, 70899360, 79761780, 91156320, 106349040, 127618848, 159523560, 212698080, 319047120, 638094240]

約数ペア:

[(1, 638094240), (2, 319047120), (3, 212698080), (4, 159523560), (5, 127618848), (6, 106349040), (7, 91156320), (8, 79761780), (9, 70899360), (10, 63809424), (12, 53174520), (14, 45578160), (15, 42539616), (16, 39880890), (18, 35449680), (20, 31904712), (21, 30385440), (24, 26587260), (27, 23633120), (28, 22789080), (30, 21269808), (32, 19940445), (35, 18231264), (36, 17724840), (40, 15952356), (42, 15192720), (45, 14179872), (48, 13293630), (54, 11816560), (56, 11394540), (60, 10634904), (63, 10128480), (70, 9115632), (72, 8862420), (80, 7976178), (84, 7596360), (90, 7089936), (96, 6646815), (105, 6077088), (108, 5908280), (112, 5697270), (120, 5317452), (126, 5064240), (135, 4726624), (140, 4557816), (144, 4431210), (160, 3988089), (168, 3798180), (180, 3544968), (189, 3376160), (210, 3038544), (216, 2954140), (224, 2848635), (240, 2658726), (252, 2532120), (270, 2363312), (280, 2278908), (288, 2215605), (315, 2025696), (336, 1899090), (360, 1772484), (378, 1688080), (420, 1519272), (432, 1477070), (480, 1329363), (504, 1266060), (540, 1181656), (560, 1139454), (630, 1012848), (672, 949545), (720, 886242), (756, 844040), (840, 759636), (864, 738535), (945, 675232), (1008, 633030), (1080, 590828), (1120, 569727), (1260, 506424), (1440, 443121), (1512, 422020), (1680, 379818), (1890, 337616), (2016, 316515), (2160, 295414), (2520, 253212), (3024, 211010), (3360, 189909), (3780, 168808), (4320, 147707), (5040, 126606), (6048, 105505), (7560, 84404), (10080, 63303), (15120, 42202), (21101, 30240)]