1640389968

素因数分解:

$2^4\times 3^7\times 7^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:254

約数の個数: 320

約数和(自身を含む): 5625751040

約数和(自身を除く): 3985361072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 37, 42, 48, 54, 56, 63, 72, 74, 81, 84, 108, 111, 112, 126, 144, 148, 162, 168, 181, 189, 216, 222, 243, 252, 259, 296, 324, 333, 336, 362, 378, 432, 444, 486, 504, 518, 543, 567, 592, 648, 666, 724, 729, 756, 777, 888, 972, 999, 1008, 1036, 1086, 1134, 1267, 1296, 1332, 1448, 1458, 1512, 1554, 1629, 1701, 1776, 1944, 1998, 2072, 2172, 2187, 2268, 2331, 2534, 2664, 2896, 2916, 2997, 3024, 3108, 3258, 3402, 3801, 3888, 3996, 4144, 4344, 4374, 4536, 4662, 4887, 5068, 5103, 5328, 5832, 5994, 6216, 6516, 6697, 6804, 6993, 7602, 7992, 8688, 8748, 8991, 9072, 9324, 9774, 10136, 10206, 11403, 11664, 11988, 12432, 13032, 13394, 13608, 13986, 14661, 15204, 15309, 15984, 17496, 17982, 18648, 19548, 20091, 20272, 20412, 20979, 22806, 23976, 26064, 26788, 26973, 27216, 27972, 29322, 30408, 30618, 34209, 34992, 35964, 37296, 39096, 40182, 40824, 41958, 43983, 45612, 46879, 47952, 53576, 53946, 55944, 58644, 60273, 60816, 61236, 62937, 68418, 71928, 78192, 80364, 80919, 81648, 83916, 87966, 91224, 93758, 102627, 107152, 107892, 111888, 117288, 120546, 122472, 125874, 131949, 136836, 140637, 143856, 160728, 161838, 167832, 175932, 180819, 182448, 187516, 188811, 205254, 215784, 234576, 241092, 244944, 251748, 263898, 273672, 281274, 307881, 321456, 323676, 335664, 351864, 361638, 375032, 377622, 395847, 410508, 421911, 431568, 482184, 503496, 527796, 542457, 547344, 562548, 566433, 615762, 647352, 703728, 723276, 750064, 755244, 791694, 821016, 843822, 923643, 964368, 1006992, 1055592, 1084914, 1125096, 1132866, 1231524, 1265733, 1294704, 1446552, 1510488, 1583388, 1627371, 1642032, 1687644, 1847286, 2111184, 2169828, 2250192, 2265732, 2463048, 2531466, 2770929, 2893104, 3020976, 3166776, 3254742, 3375288, 3694572, 3797199, 4339656, 4531464, 4882113, 4926096, 5062932, 5541858, 6333552, 6509484, 6750576, 7389144, 7594398, 8679312, 9062928, 9764226, 10125864, 11083716, 11391597, 13018968, 14646339, 14778288, 15188796, 19528452, 20251728, 22167432, 22783194, 26037936, 29292678, 30377592, 34174791, 39056904, 44334864, 45566388, 58585356, 60755184, 68349582, 78113808, 91132776, 102524373, 117170712, 136699164, 182265552, 205048746, 234341424, 273398328, 410097492, 546796656, 820194984, 1640389968]

約数ペア:

[(1, 1640389968), (2, 820194984), (3, 546796656), (4, 410097492), (6, 273398328), (7, 234341424), (8, 205048746), (9, 182265552), (12, 136699164), (14, 117170712), (16, 102524373), (18, 91132776), (21, 78113808), (24, 68349582), (27, 60755184), (28, 58585356), (36, 45566388), (37, 44334864), (42, 39056904), (48, 34174791), (54, 30377592), (56, 29292678), (63, 26037936), (72, 22783194), (74, 22167432), (81, 20251728), (84, 19528452), (108, 15188796), (111, 14778288), (112, 14646339), (126, 13018968), (144, 11391597), (148, 11083716), (162, 10125864), (168, 9764226), (181, 9062928), (189, 8679312), (216, 7594398), (222, 7389144), (243, 6750576), (252, 6509484), (259, 6333552), (296, 5541858), (324, 5062932), (333, 4926096), (336, 4882113), (362, 4531464), (378, 4339656), (432, 3797199), (444, 3694572), (486, 3375288), (504, 3254742), (518, 3166776), (543, 3020976), (567, 2893104), (592, 2770929), (648, 2531466), (666, 2463048), (724, 2265732), (729, 2250192), (756, 2169828), (777, 2111184), (888, 1847286), (972, 1687644), (999, 1642032), (1008, 1627371), (1036, 1583388), (1086, 1510488), (1134, 1446552), (1267, 1294704), (1296, 1265733), (1332, 1231524), (1448, 1132866), (1458, 1125096), (1512, 1084914), (1554, 1055592), (1629, 1006992), (1701, 964368), (1776, 923643), (1944, 843822), (1998, 821016), (2072, 791694), (2172, 755244), (2187, 750064), (2268, 723276), (2331, 703728), (2534, 647352), (2664, 615762), (2896, 566433), (2916, 562548), (2997, 547344), (3024, 542457), (3108, 527796), (3258, 503496), (3402, 482184), (3801, 431568), (3888, 421911), (3996, 410508), (4144, 395847), (4344, 377622), (4374, 375032), (4536, 361638), (4662, 351864), (4887, 335664), (5068, 323676), (5103, 321456), (5328, 307881), (5832, 281274), (5994, 273672), (6216, 263898), (6516, 251748), (6697, 244944), (6804, 241092), (6993, 234576), (7602, 215784), (7992, 205254), (8688, 188811), (8748, 187516), (8991, 182448), (9072, 180819), (9324, 175932), (9774, 167832), (10136, 161838), (10206, 160728), (11403, 143856), (11664, 140637), (11988, 136836), (12432, 131949), (13032, 125874), (13394, 122472), (13608, 120546), (13986, 117288), (14661, 111888), (15204, 107892), (15309, 107152), (15984, 102627), (17496, 93758), (17982, 91224), (18648, 87966), (19548, 83916), (20091, 81648), (20272, 80919), (20412, 80364), (20979, 78192), (22806, 71928), (23976, 68418), (26064, 62937), (26788, 61236), (26973, 60816), (27216, 60273), (27972, 58644), (29322, 55944), (30408, 53946), (30618, 53576), (34209, 47952), (34992, 46879), (35964, 45612), (37296, 43983), (39096, 41958), (40182, 40824)]