1901530680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{11491}}^1$

素因数の和:11709

約数の個数: 128

約数和(自身を含む): 6553198080

約数和(自身を除く): 4651667400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 280, 394, 420, 591, 788, 840, 985, 1182, 1379, 1576, 1970, 2364, 2758, 2955, 3940, 4137, 4728, 5516, 5910, 6895, 7880, 8274, 11032, 11491, 11820, 13790, 16548, 20685, 22982, 23640, 27580, 33096, 34473, 41370, 45964, 55160, 57455, 68946, 80437, 82740, 91928, 114910, 137892, 160874, 165480, 172365, 229820, 241311, 275784, 321748, 344730, 402185, 459640, 482622, 643496, 689460, 804370, 965244, 1206555, 1378920, 1608740, 1930488, 2263727, 2413110, 3217480, 4527454, 4826220, 6791181, 9054908, 9652440, 11318635, 13582362, 15846089, 18109816, 22637270, 27164724, 31692178, 33955905, 45274540, 47538267, 54329448, 63384356, 67911810, 79230445, 90549080, 95076534, 126768712, 135823620, 158460890, 190153068, 237691335, 271647240, 316921780, 380306136, 475382670, 633843560, 950765340, 1901530680]

約数ペア:

[(1, 1901530680), (2, 950765340), (3, 633843560), (4, 475382670), (5, 380306136), (6, 316921780), (7, 271647240), (8, 237691335), (10, 190153068), (12, 158460890), (14, 135823620), (15, 126768712), (20, 95076534), (21, 90549080), (24, 79230445), (28, 67911810), (30, 63384356), (35, 54329448), (40, 47538267), (42, 45274540), (56, 33955905), (60, 31692178), (70, 27164724), (84, 22637270), (105, 18109816), (120, 15846089), (140, 13582362), (168, 11318635), (197, 9652440), (210, 9054908), (280, 6791181), (394, 4826220), (420, 4527454), (591, 3217480), (788, 2413110), (840, 2263727), (985, 1930488), (1182, 1608740), (1379, 1378920), (1576, 1206555), (1970, 965244), (2364, 804370), (2758, 689460), (2955, 643496), (3940, 482622), (4137, 459640), (4728, 402185), (5516, 344730), (5910, 321748), (6895, 275784), (7880, 241311), (8274, 229820), (11032, 172365), (11491, 165480), (11820, 160874), (13790, 137892), (16548, 114910), (20685, 91928), (22982, 82740), (23640, 80437), (27580, 68946), (33096, 57455), (34473, 55160), (41370, 45964)]