20772234880

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:451

約数の個数: 256

約数和(自身を含む): 53855020800

約数和(自身を除く): 33082785920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 64, 76, 80, 95, 106, 128, 152, 160, 167, 190, 193, 212, 265, 304, 320, 334, 380, 386, 424, 530, 608, 640, 668, 760, 772, 835, 848, 965, 1007, 1060, 1216, 1336, 1520, 1544, 1670, 1696, 1930, 2014, 2120, 2432, 2672, 3040, 3088, 3173, 3340, 3392, 3667, 3860, 4028, 4240, 5035, 5344, 6080, 6176, 6346, 6680, 6784, 7334, 7720, 8056, 8480, 8851, 10070, 10229, 10688, 12160, 12352, 12692, 13360, 14668, 15440, 15865, 16112, 16960, 17702, 18335, 20140, 20458, 21376, 24704, 25384, 26720, 29336, 30880, 31730, 32224, 32231, 33920, 35404, 36670, 40280, 40916, 44255, 50768, 51145, 53440, 58672, 61760, 63460, 64448, 64462, 70808, 73340, 80560, 81832, 88510, 101536, 102290, 106880, 117344, 123520, 126920, 128896, 128924, 141616, 146680, 161120, 161155, 163664, 168169, 177020, 194351, 203072, 204580, 234688, 253840, 257848, 283232, 293360, 322240, 322310, 327328, 336338, 354040, 388702, 406144, 409160, 469376, 507680, 515696, 566464, 586720, 612389, 644480, 644620, 654656, 672676, 708080, 777404, 818320, 840845, 971755, 1015360, 1031392, 1132928, 1173440, 1224778, 1289240, 1309312, 1345352, 1416160, 1554808, 1636640, 1681690, 1708243, 1943510, 2030720, 2062784, 2346880, 2449556, 2578480, 2690704, 2832320, 3061945, 3109616, 3273280, 3363380, 3416486, 3887020, 4125568, 4899112, 5156960, 5381408, 5664640, 6123890, 6219232, 6546560, 6726760, 6832972, 7774040, 8541215, 9798224, 10313920, 10762816, 12247780, 12438464, 13453520, 13665944, 15548080, 17082430, 19596448, 20627840, 21525632, 24495560, 24876928, 26907040, 27331888, 31096160, 32456617, 34164860, 39192896, 48991120, 53814080, 54663776, 62192320, 64913234, 68329720, 78385792, 97982240, 107628160, 109327552, 124384640, 129826468, 136659440, 162283085, 195964480, 218655104, 259652936, 273318880, 324566170, 391928960, 519305872, 546637760, 649132340, 1038611744, 1093275520, 1298264680, 2077223488, 2596529360, 4154446976, 5193058720, 10386117440, 20772234880]

約数ペア:

[(1, 20772234880), (2, 10386117440), (4, 5193058720), (5, 4154446976), (8, 2596529360), (10, 2077223488), (16, 1298264680), (19, 1093275520), (20, 1038611744), (32, 649132340), (38, 546637760), (40, 519305872), (53, 391928960), (64, 324566170), (76, 273318880), (80, 259652936), (95, 218655104), (106, 195964480), (128, 162283085), (152, 136659440), (160, 129826468), (167, 124384640), (190, 109327552), (193, 107628160), (212, 97982240), (265, 78385792), (304, 68329720), (320, 64913234), (334, 62192320), (380, 54663776), (386, 53814080), (424, 48991120), (530, 39192896), (608, 34164860), (640, 32456617), (668, 31096160), (760, 27331888), (772, 26907040), (835, 24876928), (848, 24495560), (965, 21525632), (1007, 20627840), (1060, 19596448), (1216, 17082430), (1336, 15548080), (1520, 13665944), (1544, 13453520), (1670, 12438464), (1696, 12247780), (1930, 10762816), (2014, 10313920), (2120, 9798224), (2432, 8541215), (2672, 7774040), (3040, 6832972), (3088, 6726760), (3173, 6546560), (3340, 6219232), (3392, 6123890), (3667, 5664640), (3860, 5381408), (4028, 5156960), (4240, 4899112), (5035, 4125568), (5344, 3887020), (6080, 3416486), (6176, 3363380), (6346, 3273280), (6680, 3109616), (6784, 3061945), (7334, 2832320), (7720, 2690704), (8056, 2578480), (8480, 2449556), (8851, 2346880), (10070, 2062784), (10229, 2030720), (10688, 1943510), (12160, 1708243), (12352, 1681690), (12692, 1636640), (13360, 1554808), (14668, 1416160), (15440, 1345352), (15865, 1309312), (16112, 1289240), (16960, 1224778), (17702, 1173440), (18335, 1132928), (20140, 1031392), (20458, 1015360), (21376, 971755), (24704, 840845), (25384, 818320), (26720, 777404), (29336, 708080), (30880, 672676), (31730, 654656), (32224, 644620), (32231, 644480), (33920, 612389), (35404, 586720), (36670, 566464), (40280, 515696), (40916, 507680), (44255, 469376), (50768, 409160), (51145, 406144), (53440, 388702), (58672, 354040), (61760, 336338), (63460, 327328), (64448, 322310), (64462, 322240), (70808, 293360), (73340, 283232), (80560, 257848), (81832, 253840), (88510, 234688), (101536, 204580), (102290, 203072), (106880, 194351), (117344, 177020), (123520, 168169), (126920, 163664), (128896, 161155), (128924, 161120), (141616, 146680)]