20386328400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{443}}^1\times {\mathrm{4261}}^1$

素因数の和:4731

約数の個数: 240

約数和(自身を含む): 72741088320

約数和(自身を除く): 52354759920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 135, 144, 150, 180, 200, 216, 225, 240, 270, 300, 360, 400, 432, 443, 450, 540, 600, 675, 720, 886, 900, 1080, 1200, 1329, 1350, 1772, 1800, 2160, 2215, 2658, 2700, 3544, 3600, 3987, 4261, 4430, 5316, 5400, 6645, 7088, 7974, 8522, 8860, 10632, 10800, 11075, 11961, 12783, 13290, 15948, 17044, 17720, 19935, 21264, 21305, 22150, 23922, 25566, 26580, 31896, 33225, 34088, 35440, 38349, 39870, 42610, 44300, 47844, 51132, 53160, 59805, 63792, 63915, 66450, 68176, 76698, 79740, 85220, 88600, 95688, 99675, 102264, 106320, 106525, 115047, 119610, 127830, 132900, 153396, 159480, 170440, 177200, 191376, 191745, 199350, 204528, 213050, 230094, 239220, 255660, 265800, 299025, 306792, 318960, 319575, 340880, 383490, 398700, 426100, 460188, 478440, 511320, 531600, 575235, 598050, 613584, 639150, 766980, 797400, 852200, 920376, 956880, 958725, 1022640, 1150470, 1196100, 1278300, 1533960, 1594800, 1704400, 1840752, 1887623, 1917450, 2300940, 2392200, 2556600, 2876175, 3067920, 3775246, 3834900, 4601880, 4784400, 5113200, 5662869, 5752350, 7550492, 7669800, 9203760, 9438115, 11325738, 11504700, 15100984, 15339600, 16988607, 18876230, 22651476, 23009400, 28314345, 30201968, 33977214, 37752460, 45302952, 46018800, 47190575, 50965821, 56628690, 67954428, 75504920, 84943035, 90605904, 94381150, 101931642, 113257380, 135908856, 141571725, 151009840, 169886070, 188762300, 203863284, 226514760, 254829105, 271817712, 283143450, 339772140, 377524600, 407726568, 424715175, 453029520, 509658210, 566286900, 679544280, 755049200, 815453136, 849430350, 1019316420, 1132573800, 1274145525, 1359088560, 1698860700, 2038632840, 2265147600, 2548291050, 3397721400, 4077265680, 5096582100, 6795442800, 10193164200, 20386328400]

約数ペア:

[(1, 20386328400), (2, 10193164200), (3, 6795442800), (4, 5096582100), (5, 4077265680), (6, 3397721400), (8, 2548291050), (9, 2265147600), (10, 2038632840), (12, 1698860700), (15, 1359088560), (16, 1274145525), (18, 1132573800), (20, 1019316420), (24, 849430350), (25, 815453136), (27, 755049200), (30, 679544280), (36, 566286900), (40, 509658210), (45, 453029520), (48, 424715175), (50, 407726568), (54, 377524600), (60, 339772140), (72, 283143450), (75, 271817712), (80, 254829105), (90, 226514760), (100, 203863284), (108, 188762300), (120, 169886070), (135, 151009840), (144, 141571725), (150, 135908856), (180, 113257380), (200, 101931642), (216, 94381150), (225, 90605904), (240, 84943035), (270, 75504920), (300, 67954428), (360, 56628690), (400, 50965821), (432, 47190575), (443, 46018800), (450, 45302952), (540, 37752460), (600, 33977214), (675, 30201968), (720, 28314345), (886, 23009400), (900, 22651476), (1080, 18876230), (1200, 16988607), (1329, 15339600), (1350, 15100984), (1772, 11504700), (1800, 11325738), (2160, 9438115), (2215, 9203760), (2658, 7669800), (2700, 7550492), (3544, 5752350), (3600, 5662869), (3987, 5113200), (4261, 4784400), (4430, 4601880), (5316, 3834900), (5400, 3775246), (6645, 3067920), (7088, 2876175), (7974, 2556600), (8522, 2392200), (8860, 2300940), (10632, 1917450), (10800, 1887623), (11075, 1840752), (11961, 1704400), (12783, 1594800), (13290, 1533960), (15948, 1278300), (17044, 1196100), (17720, 1150470), (19935, 1022640), (21264, 958725), (21305, 956880), (22150, 920376), (23922, 852200), (25566, 797400), (26580, 766980), (31896, 639150), (33225, 613584), (34088, 598050), (35440, 575235), (38349, 531600), (39870, 511320), (42610, 478440), (44300, 460188), (47844, 426100), (51132, 398700), (53160, 383490), (59805, 340880), (63792, 319575), (63915, 318960), (66450, 306792), (68176, 299025), (76698, 265800), (79740, 255660), (85220, 239220), (88600, 230094), (95688, 213050), (99675, 204528), (102264, 199350), (106320, 191745), (106525, 191376), (115047, 177200), (119610, 170440), (127830, 159480), (132900, 153396)]