1680451668

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 288

約数和(自身を含む): 5307993600

約数和(自身を除く): 3627541932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 61, 63, 69, 84, 92, 97, 98, 122, 126, 138, 147, 161, 183, 194, 196, 207, 244, 252, 276, 291, 294, 322, 343, 366, 388, 414, 427, 441, 483, 549, 582, 588, 644, 679, 686, 732, 828, 854, 873, 882, 966, 1029, 1098, 1127, 1164, 1281, 1358, 1372, 1403, 1449, 1708, 1746, 1764, 1932, 2037, 2058, 2196, 2231, 2254, 2562, 2716, 2806, 2898, 2989, 3087, 3381, 3492, 3843, 4074, 4116, 4209, 4462, 4508, 4753, 5124, 5612, 5796, 5917, 5978, 6111, 6174, 6693, 6762, 7686, 7889, 8148, 8418, 8924, 8967, 9506, 9821, 10143, 11834, 11956, 12222, 12348, 12627, 13386, 13524, 14259, 15372, 15617, 15778, 16836, 17751, 17934, 19012, 19642, 20079, 20286, 20923, 23667, 23668, 24444, 25254, 26772, 26901, 28518, 29463, 31234, 31556, 33271, 35502, 35868, 39284, 40158, 40572, 41419, 41846, 42777, 46851, 47334, 50508, 53253, 53802, 57036, 58926, 62468, 62769, 66542, 68747, 71001, 71004, 80316, 82838, 83692, 85554, 88389, 93702, 94668, 99813, 106506, 107604, 109319, 117852, 124257, 125538, 133084, 136091, 137494, 140553, 142002, 165676, 171108, 176778, 187404, 188307, 199626, 206241, 213012, 218638, 248514, 251076, 272182, 274988, 281106, 284004, 289933, 299439, 327957, 353556, 372771, 376614, 399252, 408273, 412482, 437276, 481229, 497028, 544364, 562212, 579866, 598878, 618723, 655914, 745542, 753228, 765233, 816546, 824964, 869799, 952637, 962458, 983871, 1159732, 1197756, 1224819, 1237446, 1311828, 1443687, 1491084, 1530466, 1633092, 1739598, 1905274, 1924916, 1967742, 2029531, 2295699, 2449638, 2474892, 2609397, 2857911, 2887374, 3060932, 3479196, 3810548, 3935484, 4059062, 4331061, 4591398, 4899276, 5218794, 5715822, 5774748, 6088593, 6668459, 6887097, 8118124, 8573733, 8662122, 9182796, 10437588, 11431644, 12177186, 13336918, 13774194, 17147466, 17324244, 18265779, 20005377, 24354372, 26673836, 27548388, 34294932, 36531558, 40010754, 46679213, 60016131, 73063116, 80021508, 93358426, 120032262, 140037639, 186716852, 240064524, 280075278, 420112917, 560150556, 840225834, 1680451668]

約数ペア:

[(1, 1680451668), (2, 840225834), (3, 560150556), (4, 420112917), (6, 280075278), (7, 240064524), (9, 186716852), (12, 140037639), (14, 120032262), (18, 93358426), (21, 80021508), (23, 73063116), (28, 60016131), (36, 46679213), (42, 40010754), (46, 36531558), (49, 34294932), (61, 27548388), (63, 26673836), (69, 24354372), (84, 20005377), (92, 18265779), (97, 17324244), (98, 17147466), (122, 13774194), (126, 13336918), (138, 12177186), (147, 11431644), (161, 10437588), (183, 9182796), (194, 8662122), (196, 8573733), (207, 8118124), (244, 6887097), (252, 6668459), (276, 6088593), (291, 5774748), (294, 5715822), (322, 5218794), (343, 4899276), (366, 4591398), (388, 4331061), (414, 4059062), (427, 3935484), (441, 3810548), (483, 3479196), (549, 3060932), (582, 2887374), (588, 2857911), (644, 2609397), (679, 2474892), (686, 2449638), (732, 2295699), (828, 2029531), (854, 1967742), (873, 1924916), (882, 1905274), (966, 1739598), (1029, 1633092), (1098, 1530466), (1127, 1491084), (1164, 1443687), (1281, 1311828), (1358, 1237446), (1372, 1224819), (1403, 1197756), (1449, 1159732), (1708, 983871), (1746, 962458), (1764, 952637), (1932, 869799), (2037, 824964), (2058, 816546), (2196, 765233), (2231, 753228), (2254, 745542), (2562, 655914), (2716, 618723), (2806, 598878), (2898, 579866), (2989, 562212), (3087, 544364), (3381, 497028), (3492, 481229), (3843, 437276), (4074, 412482), (4116, 408273), (4209, 399252), (4462, 376614), (4508, 372771), (4753, 353556), (5124, 327957), (5612, 299439), (5796, 289933), (5917, 284004), (5978, 281106), (6111, 274988), (6174, 272182), (6693, 251076), (6762, 248514), (7686, 218638), (7889, 213012), (8148, 206241), (8418, 199626), (8924, 188307), (8967, 187404), (9506, 176778), (9821, 171108), (10143, 165676), (11834, 142002), (11956, 140553), (12222, 137494), (12348, 136091), (12627, 133084), (13386, 125538), (13524, 124257), (14259, 117852), (15372, 109319), (15617, 107604), (15778, 106506), (16836, 99813), (17751, 94668), (17934, 93702), (19012, 88389), (19642, 85554), (20079, 83692), (20286, 82838), (20923, 80316), (23667, 71004), (23668, 71001), (24444, 68747), (25254, 66542), (26772, 62769), (26901, 62468), (28518, 58926), (29463, 57036), (31234, 53802), (31556, 53253), (33271, 50508), (35502, 47334), (35868, 46851), (39284, 42777), (40158, 41846), (40572, 41419)]