21428304800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{21377}}^1$

素因数の和:21583

約数の個数: 144

約数和(自身を含む): 60121776960

約数和(自身を除く): 38693472160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 179, 200, 224, 280, 350, 358, 400, 560, 700, 716, 800, 895, 1120, 1253, 1400, 1432, 1790, 2506, 2800, 2864, 3580, 4475, 5012, 5600, 5728, 6265, 7160, 8950, 10024, 12530, 14320, 17900, 20048, 21377, 25060, 28640, 31325, 35800, 40096, 42754, 50120, 62650, 71600, 85508, 100240, 106885, 125300, 143200, 149639, 171016, 200480, 213770, 250600, 299278, 342032, 427540, 501200, 534425, 598556, 684064, 748195, 855080, 1002400, 1068850, 1197112, 1496390, 1710160, 2137700, 2394224, 2992780, 3420320, 3740975, 3826483, 4275400, 4788448, 5985560, 7481950, 7652966, 8550800, 11971120, 14963900, 15305932, 17101600, 19132415, 23942240, 26785381, 29927800, 30611864, 38264830, 53570762, 59855600, 61223728, 76529660, 95662075, 107141524, 119711200, 122447456, 133926905, 153059320, 191324150, 214283048, 267853810, 306118640, 382648300, 428566096, 535707620, 612237280, 669634525, 765296600, 857132192, 1071415240, 1339269050, 1530593200, 2142830480, 2678538100, 3061186400, 4285660960, 5357076200, 10714152400, 21428304800]

約数ペア:

[(1, 21428304800), (2, 10714152400), (4, 5357076200), (5, 4285660960), (7, 3061186400), (8, 2678538100), (10, 2142830480), (14, 1530593200), (16, 1339269050), (20, 1071415240), (25, 857132192), (28, 765296600), (32, 669634525), (35, 612237280), (40, 535707620), (50, 428566096), (56, 382648300), (70, 306118640), (80, 267853810), (100, 214283048), (112, 191324150), (140, 153059320), (160, 133926905), (175, 122447456), (179, 119711200), (200, 107141524), (224, 95662075), (280, 76529660), (350, 61223728), (358, 59855600), (400, 53570762), (560, 38264830), (700, 30611864), (716, 29927800), (800, 26785381), (895, 23942240), (1120, 19132415), (1253, 17101600), (1400, 15305932), (1432, 14963900), (1790, 11971120), (2506, 8550800), (2800, 7652966), (2864, 7481950), (3580, 5985560), (4475, 4788448), (5012, 4275400), (5600, 3826483), (5728, 3740975), (6265, 3420320), (7160, 2992780), (8950, 2394224), (10024, 2137700), (12530, 1710160), (14320, 1496390), (17900, 1197112), (20048, 1068850), (21377, 1002400), (25060, 855080), (28640, 748195), (31325, 684064), (35800, 598556), (40096, 534425), (42754, 501200), (50120, 427540), (62650, 342032), (71600, 299278), (85508, 250600), (100240, 213770), (106885, 200480), (125300, 171016), (143200, 149639)]