689632020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{49757}}^1$

素因数の和:49790

約数の個数: 144

約数和(自身を含む): 2608115328

約数和(自身を除く): 1918483308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 49757, 99514, 149271, 199028, 248785, 298542, 348299, 447813, 497570, 547327, 597084, 696598, 746355, 895626, 995140, 1044897, 1094654, 1393196, 1492710, 1641981, 1741495, 1791252, 2089794, 2189308, 2239065, 2736635, 2985420, 3134691, 3283962, 3482990, 3831289, 4179588, 4478130, 4925943, 5224485, 5473270, 6269382, 6567924, 6965980, 7662578, 8209905, 8956260, 9851886, 10448970, 10946540, 11493867, 12538764, 15325156, 15673455, 16419810, 19156445, 19703772, 20897940, 22987734, 24629715, 31346910, 32839620, 34481601, 38312890, 45975468, 49259430, 57469335, 62693820, 68963202, 76625780, 98518860, 114938670, 137926404, 172408005, 229877340, 344816010, 689632020]

約数ペア:

[(1, 689632020), (2, 344816010), (3, 229877340), (4, 172408005), (5, 137926404), (6, 114938670), (7, 98518860), (9, 76625780), (10, 68963202), (11, 62693820), (12, 57469335), (14, 49259430), (15, 45975468), (18, 38312890), (20, 34481601), (21, 32839620), (22, 31346910), (28, 24629715), (30, 22987734), (33, 20897940), (35, 19703772), (36, 19156445), (42, 16419810), (44, 15673455), (45, 15325156), (55, 12538764), (60, 11493867), (63, 10946540), (66, 10448970), (70, 9851886), (77, 8956260), (84, 8209905), (90, 7662578), (99, 6965980), (105, 6567924), (110, 6269382), (126, 5473270), (132, 5224485), (140, 4925943), (154, 4478130), (165, 4179588), (180, 3831289), (198, 3482990), (210, 3283962), (220, 3134691), (231, 2985420), (252, 2736635), (308, 2239065), (315, 2189308), (330, 2089794), (385, 1791252), (396, 1741495), (420, 1641981), (462, 1492710), (495, 1393196), (630, 1094654), (660, 1044897), (693, 995140), (770, 895626), (924, 746355), (990, 696598), (1155, 597084), (1260, 547327), (1386, 497570), (1540, 447813), (1980, 348299), (2310, 298542), (2772, 248785), (3465, 199028), (4620, 149271), (6930, 99514), (13860, 49757)]