20765577280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1229}}^1$

素因数の和:1669

約数の個数: 224

約数和(自身を含む): 59684716800

約数和(自身を除く): 38919139520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 397, 448, 532, 560, 608, 665, 760, 794, 1064, 1120, 1216, 1229, 1330, 1520, 1588, 1985, 2128, 2240, 2458, 2660, 2779, 3040, 3176, 3970, 4256, 4916, 5320, 5558, 6080, 6145, 6352, 7543, 7940, 8512, 8603, 9832, 10640, 11116, 12290, 12704, 13895, 15086, 15880, 17206, 19664, 21280, 22232, 23351, 24580, 25408, 27790, 30172, 31760, 34412, 37715, 39328, 42560, 43015, 44464, 46702, 49160, 52801, 55580, 60344, 63520, 68824, 75430, 78656, 86030, 88928, 93404, 98320, 105602, 111160, 116755, 120688, 127040, 137648, 150860, 163457, 172060, 177856, 186808, 196640, 211204, 222320, 233510, 241376, 264005, 275296, 301720, 326914, 344120, 373616, 393280, 422408, 444640, 467020, 482752, 487913, 528010, 550592, 603440, 653828, 688240, 747232, 817285, 844816, 889280, 934040, 975826, 1056020, 1206880, 1307656, 1376480, 1494464, 1634570, 1689632, 1868080, 1951652, 2112040, 2413760, 2439565, 2615312, 2752960, 3269140, 3379264, 3415391, 3736160, 3903304, 4224080, 4879130, 5230624, 6538280, 6830782, 7472320, 7806608, 8448160, 9270347, 9758260, 10461248, 13076560, 13661564, 15613216, 16896320, 17076955, 18540694, 19516520, 26153120, 27323128, 31226432, 34153910, 37081388, 39033040, 46351735, 52306240, 54646256, 64892429, 68307820, 74162776, 78066080, 92703470, 109292512, 129784858, 136615640, 148325552, 156132160, 185406940, 218585024, 259569716, 273231280, 296651104, 324462145, 370813880, 519139432, 546462560, 593302208, 648924290, 741627760, 1038278864, 1092925120, 1297848580, 1483255520, 2076557728, 2595697160, 2966511040, 4153115456, 5191394320, 10382788640, 20765577280]

約数ペア:

[(1, 20765577280), (2, 10382788640), (4, 5191394320), (5, 4153115456), (7, 2966511040), (8, 2595697160), (10, 2076557728), (14, 1483255520), (16, 1297848580), (19, 1092925120), (20, 1038278864), (28, 741627760), (32, 648924290), (35, 593302208), (38, 546462560), (40, 519139432), (56, 370813880), (64, 324462145), (70, 296651104), (76, 273231280), (80, 259569716), (95, 218585024), (112, 185406940), (133, 156132160), (140, 148325552), (152, 136615640), (160, 129784858), (190, 109292512), (224, 92703470), (266, 78066080), (280, 74162776), (304, 68307820), (320, 64892429), (380, 54646256), (397, 52306240), (448, 46351735), (532, 39033040), (560, 37081388), (608, 34153910), (665, 31226432), (760, 27323128), (794, 26153120), (1064, 19516520), (1120, 18540694), (1216, 17076955), (1229, 16896320), (1330, 15613216), (1520, 13661564), (1588, 13076560), (1985, 10461248), (2128, 9758260), (2240, 9270347), (2458, 8448160), (2660, 7806608), (2779, 7472320), (3040, 6830782), (3176, 6538280), (3970, 5230624), (4256, 4879130), (4916, 4224080), (5320, 3903304), (5558, 3736160), (6080, 3415391), (6145, 3379264), (6352, 3269140), (7543, 2752960), (7940, 2615312), (8512, 2439565), (8603, 2413760), (9832, 2112040), (10640, 1951652), (11116, 1868080), (12290, 1689632), (12704, 1634570), (13895, 1494464), (15086, 1376480), (15880, 1307656), (17206, 1206880), (19664, 1056020), (21280, 975826), (22232, 934040), (23351, 889280), (24580, 844816), (25408, 817285), (27790, 747232), (30172, 688240), (31760, 653828), (34412, 603440), (37715, 550592), (39328, 528010), (42560, 487913), (43015, 482752), (44464, 467020), (46702, 444640), (49160, 422408), (52801, 393280), (55580, 373616), (60344, 344120), (63520, 326914), (68824, 301720), (75430, 275296), (78656, 264005), (86030, 241376), (88928, 233510), (93404, 222320), (98320, 211204), (105602, 196640), (111160, 186808), (116755, 177856), (120688, 172060), (127040, 163457), (137648, 150860)]