280627620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:634

約数の個数: 192

約数和(自身を含む): 978432000

約数和(自身を除く): 697804380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 103, 105, 130, 140, 156, 182, 195, 206, 210, 260, 273, 309, 364, 390, 412, 420, 455, 499, 515, 546, 618, 721, 780, 910, 998, 1030, 1092, 1236, 1339, 1365, 1442, 1497, 1545, 1820, 1996, 2060, 2163, 2495, 2678, 2730, 2884, 2994, 3090, 3493, 3605, 4017, 4326, 4990, 5356, 5460, 5988, 6180, 6487, 6695, 6986, 7210, 7485, 8034, 8652, 9373, 9980, 10479, 10815, 12974, 13390, 13972, 14420, 14970, 16068, 17465, 18746, 19461, 20085, 20958, 21630, 25948, 26780, 28119, 29940, 32435, 34930, 37492, 38922, 40170, 41916, 43260, 45409, 46865, 51397, 52395, 56238, 64870, 69860, 77844, 80340, 90818, 93730, 97305, 102794, 104790, 112476, 129740, 136227, 140595, 154191, 181636, 187460, 194610, 205588, 209580, 227045, 256985, 272454, 281190, 308382, 359779, 389220, 454090, 513970, 544908, 562380, 616764, 668161, 681135, 719558, 770955, 908180, 1027940, 1079337, 1336322, 1362270, 1439116, 1541910, 1798895, 2004483, 2158674, 2672644, 2724540, 3083820, 3340805, 3597790, 4008966, 4317348, 4677127, 5396685, 6681610, 7195580, 8017932, 9354254, 10022415, 10793370, 13363220, 14031381, 18708508, 20044830, 21586740, 23385635, 28062762, 40089660, 46771270, 56125524, 70156905, 93542540, 140313810, 280627620]

約数ペア:

[(1, 280627620), (2, 140313810), (3, 93542540), (4, 70156905), (5, 56125524), (6, 46771270), (7, 40089660), (10, 28062762), (12, 23385635), (13, 21586740), (14, 20044830), (15, 18708508), (20, 14031381), (21, 13363220), (26, 10793370), (28, 10022415), (30, 9354254), (35, 8017932), (39, 7195580), (42, 6681610), (52, 5396685), (60, 4677127), (65, 4317348), (70, 4008966), (78, 3597790), (84, 3340805), (91, 3083820), (103, 2724540), (105, 2672644), (130, 2158674), (140, 2004483), (156, 1798895), (182, 1541910), (195, 1439116), (206, 1362270), (210, 1336322), (260, 1079337), (273, 1027940), (309, 908180), (364, 770955), (390, 719558), (412, 681135), (420, 668161), (455, 616764), (499, 562380), (515, 544908), (546, 513970), (618, 454090), (721, 389220), (780, 359779), (910, 308382), (998, 281190), (1030, 272454), (1092, 256985), (1236, 227045), (1339, 209580), (1365, 205588), (1442, 194610), (1497, 187460), (1545, 181636), (1820, 154191), (1996, 140595), (2060, 136227), (2163, 129740), (2495, 112476), (2678, 104790), (2730, 102794), (2884, 97305), (2994, 93730), (3090, 90818), (3493, 80340), (3605, 77844), (4017, 69860), (4326, 64870), (4990, 56238), (5356, 52395), (5460, 51397), (5988, 46865), (6180, 45409), (6487, 43260), (6695, 41916), (6986, 40170), (7210, 38922), (7485, 37492), (8034, 34930), (8652, 32435), (9373, 29940), (9980, 28119), (10479, 26780), (10815, 25948), (12974, 21630), (13390, 20958), (13972, 20085), (14420, 19461), (14970, 18746), (16068, 17465)]