641901624

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 256

約数和(自身を含む): 2150400000

約数和(自身を除く): 1508498376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 31, 38, 39, 42, 52, 56, 57, 62, 76, 78, 84, 91, 93, 104, 114, 124, 133, 152, 156, 168, 182, 186, 217, 228, 247, 248, 266, 273, 312, 364, 372, 399, 403, 434, 456, 494, 499, 532, 546, 589, 651, 728, 741, 744, 798, 806, 868, 988, 998, 1064, 1092, 1178, 1209, 1302, 1482, 1497, 1596, 1612, 1729, 1736, 1767, 1976, 1996, 2184, 2356, 2418, 2604, 2821, 2964, 2994, 3192, 3224, 3458, 3493, 3534, 3992, 4123, 4712, 4836, 5187, 5208, 5642, 5928, 5988, 6487, 6916, 6986, 7068, 7657, 8246, 8463, 9481, 9672, 10374, 10479, 11284, 11976, 12369, 12974, 13832, 13972, 14136, 15314, 15469, 16492, 16926, 18962, 19461, 20748, 20958, 22568, 22971, 24738, 25948, 27944, 28443, 30628, 30938, 32984, 33852, 37924, 38922, 41496, 41916, 45409, 45942, 46407, 49476, 51896, 53599, 56886, 61256, 61876, 66367, 67704, 75848, 77844, 83832, 90818, 91884, 92814, 98952, 107198, 108283, 113772, 123253, 123752, 132734, 136227, 155688, 160797, 181636, 183768, 185628, 199101, 201097, 214396, 216566, 227544, 246506, 265468, 272454, 293911, 321594, 324849, 363272, 369759, 371256, 398202, 402194, 428792, 433132, 493012, 530936, 544908, 587822, 603291, 643188, 649698, 739518, 796404, 804388, 862771, 866264, 881733, 986024, 1089816, 1175644, 1206582, 1286376, 1299396, 1407679, 1479036, 1592808, 1608776, 1725542, 1763466, 2057377, 2351288, 2413164, 2588313, 2598792, 2815358, 2958072, 3451084, 3526932, 3820843, 4114754, 4223037, 4826328, 5176626, 5630716, 6172131, 6902168, 7053864, 7641686, 8229508, 8446074, 10353252, 11261432, 11462529, 12344262, 15283372, 16459016, 16892148, 20706504, 22925058, 24688524, 26745901, 30566744, 33784296, 45850116, 49377048, 53491802, 80237703, 91700232, 106983604, 160475406, 213967208, 320950812, 641901624]

約数ペア:

[(1, 641901624), (2, 320950812), (3, 213967208), (4, 160475406), (6, 106983604), (7, 91700232), (8, 80237703), (12, 53491802), (13, 49377048), (14, 45850116), (19, 33784296), (21, 30566744), (24, 26745901), (26, 24688524), (28, 22925058), (31, 20706504), (38, 16892148), (39, 16459016), (42, 15283372), (52, 12344262), (56, 11462529), (57, 11261432), (62, 10353252), (76, 8446074), (78, 8229508), (84, 7641686), (91, 7053864), (93, 6902168), (104, 6172131), (114, 5630716), (124, 5176626), (133, 4826328), (152, 4223037), (156, 4114754), (168, 3820843), (182, 3526932), (186, 3451084), (217, 2958072), (228, 2815358), (247, 2598792), (248, 2588313), (266, 2413164), (273, 2351288), (312, 2057377), (364, 1763466), (372, 1725542), (399, 1608776), (403, 1592808), (434, 1479036), (456, 1407679), (494, 1299396), (499, 1286376), (532, 1206582), (546, 1175644), (589, 1089816), (651, 986024), (728, 881733), (741, 866264), (744, 862771), (798, 804388), (806, 796404), (868, 739518), (988, 649698), (998, 643188), (1064, 603291), (1092, 587822), (1178, 544908), (1209, 530936), (1302, 493012), (1482, 433132), (1497, 428792), (1596, 402194), (1612, 398202), (1729, 371256), (1736, 369759), (1767, 363272), (1976, 324849), (1996, 321594), (2184, 293911), (2356, 272454), (2418, 265468), (2604, 246506), (2821, 227544), (2964, 216566), (2994, 214396), (3192, 201097), (3224, 199101), (3458, 185628), (3493, 183768), (3534, 181636), (3992, 160797), (4123, 155688), (4712, 136227), (4836, 132734), (5187, 123752), (5208, 123253), (5642, 113772), (5928, 108283), (5988, 107198), (6487, 98952), (6916, 92814), (6986, 91884), (7068, 90818), (7657, 83832), (8246, 77844), (8463, 75848), (9481, 67704), (9672, 66367), (10374, 61876), (10479, 61256), (11284, 56886), (11976, 53599), (12369, 51896), (12974, 49476), (13832, 46407), (13972, 45942), (14136, 45409), (15314, 41916), (15469, 41496), (16492, 38922), (16926, 37924), (18962, 33852), (19461, 32984), (20748, 30938), (20958, 30628), (22568, 28443), (22971, 27944), (24738, 25948)]