77992020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 249500160

約数和(自身を除く): 171508140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 67, 87, 90, 116, 134, 145, 174, 180, 201, 223, 261, 268, 290, 335, 348, 402, 435, 446, 522, 580, 603, 669, 670, 804, 870, 892, 1005, 1044, 1115, 1206, 1305, 1338, 1340, 1740, 1943, 2007, 2010, 2230, 2412, 2610, 2676, 3015, 3345, 3886, 4014, 4020, 4460, 5220, 5829, 6030, 6467, 6690, 7772, 8028, 9715, 10035, 11658, 12060, 12934, 13380, 14941, 17487, 19401, 19430, 20070, 23316, 25868, 29145, 29882, 32335, 34974, 38802, 38860, 40140, 44823, 58203, 58290, 59764, 64670, 69948, 74705, 77604, 87435, 89646, 97005, 116406, 116580, 129340, 134469, 149410, 174870, 179292, 194010, 224115, 232812, 268938, 291015, 298820, 349740, 388020, 433289, 448230, 537876, 582030, 672345, 866578, 896460, 1164060, 1299867, 1344690, 1733156, 2166445, 2599734, 2689380, 3899601, 4332890, 5199468, 6499335, 7799202, 8665780, 12998670, 15598404, 19498005, 25997340, 38996010, 77992020]

約数ペア:

[(1, 77992020), (2, 38996010), (3, 25997340), (4, 19498005), (5, 15598404), (6, 12998670), (9, 8665780), (10, 7799202), (12, 6499335), (15, 5199468), (18, 4332890), (20, 3899601), (29, 2689380), (30, 2599734), (36, 2166445), (45, 1733156), (58, 1344690), (60, 1299867), (67, 1164060), (87, 896460), (90, 866578), (116, 672345), (134, 582030), (145, 537876), (174, 448230), (180, 433289), (201, 388020), (223, 349740), (261, 298820), (268, 291015), (290, 268938), (335, 232812), (348, 224115), (402, 194010), (435, 179292), (446, 174870), (522, 149410), (580, 134469), (603, 129340), (669, 116580), (670, 116406), (804, 97005), (870, 89646), (892, 87435), (1005, 77604), (1044, 74705), (1115, 69948), (1206, 64670), (1305, 59764), (1338, 58290), (1340, 58203), (1740, 44823), (1943, 40140), (2007, 38860), (2010, 38802), (2230, 34974), (2412, 32335), (2610, 29882), (2676, 29145), (3015, 25868), (3345, 23316), (3886, 20070), (4014, 19430), (4020, 19401), (4460, 17487), (5220, 14941), (5829, 13380), (6030, 12934), (6467, 12060), (6690, 11658), (7772, 10035), (8028, 9715)]