1280747880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1831}}^1$

素因数の和:1944

約数の個数: 192

約数和(自身を含む): 4372617600

約数和(自身を除く): 3091869720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 67, 72, 87, 90, 116, 120, 134, 145, 174, 180, 201, 232, 261, 268, 290, 335, 348, 360, 402, 435, 522, 536, 580, 603, 670, 696, 804, 870, 1005, 1044, 1160, 1206, 1305, 1340, 1608, 1740, 1831, 1943, 2010, 2088, 2412, 2610, 2680, 3015, 3480, 3662, 3886, 4020, 4824, 5220, 5493, 5829, 6030, 7324, 7772, 8040, 9155, 9715, 10440, 10986, 11658, 12060, 14648, 15544, 16479, 17487, 18310, 19430, 21972, 23316, 24120, 27465, 29145, 32958, 34974, 36620, 38860, 43944, 46632, 53099, 54930, 58290, 65916, 69948, 73240, 77720, 82395, 87435, 106198, 109860, 116580, 122677, 131832, 139896, 159297, 164790, 174870, 212396, 219720, 233160, 245354, 265495, 318594, 329580, 349740, 368031, 424792, 477891, 490708, 530990, 613385, 637188, 659160, 699480, 736062, 796485, 955782, 981416, 1061980, 1104093, 1226770, 1274376, 1472124, 1592970, 1840155, 1911564, 2123960, 2208186, 2389455, 2453540, 2944248, 3185940, 3557633, 3680310, 3823128, 4416372, 4778910, 4907080, 5520465, 6371880, 7115266, 7360620, 8832744, 9557820, 10672899, 11040930, 14230532, 14721240, 17788165, 19115640, 21345798, 22081860, 28461064, 32018697, 35576330, 42691596, 44163720, 53364495, 64037394, 71152660, 85383192, 106728990, 128074788, 142305320, 160093485, 213457980, 256149576, 320186970, 426915960, 640373940, 1280747880]

約数ペア:

[(1, 1280747880), (2, 640373940), (3, 426915960), (4, 320186970), (5, 256149576), (6, 213457980), (8, 160093485), (9, 142305320), (10, 128074788), (12, 106728990), (15, 85383192), (18, 71152660), (20, 64037394), (24, 53364495), (29, 44163720), (30, 42691596), (36, 35576330), (40, 32018697), (45, 28461064), (58, 22081860), (60, 21345798), (67, 19115640), (72, 17788165), (87, 14721240), (90, 14230532), (116, 11040930), (120, 10672899), (134, 9557820), (145, 8832744), (174, 7360620), (180, 7115266), (201, 6371880), (232, 5520465), (261, 4907080), (268, 4778910), (290, 4416372), (335, 3823128), (348, 3680310), (360, 3557633), (402, 3185940), (435, 2944248), (522, 2453540), (536, 2389455), (580, 2208186), (603, 2123960), (670, 1911564), (696, 1840155), (804, 1592970), (870, 1472124), (1005, 1274376), (1044, 1226770), (1160, 1104093), (1206, 1061980), (1305, 981416), (1340, 955782), (1608, 796485), (1740, 736062), (1831, 699480), (1943, 659160), (2010, 637188), (2088, 613385), (2412, 530990), (2610, 490708), (2680, 477891), (3015, 424792), (3480, 368031), (3662, 349740), (3886, 329580), (4020, 318594), (4824, 265495), (5220, 245354), (5493, 233160), (5829, 219720), (6030, 212396), (7324, 174870), (7772, 164790), (8040, 159297), (9155, 139896), (9715, 131832), (10440, 122677), (10986, 116580), (11658, 109860), (12060, 106198), (14648, 87435), (15544, 82395), (16479, 77720), (17487, 73240), (18310, 69948), (19430, 65916), (21972, 58290), (23316, 54930), (24120, 53099), (27465, 46632), (29145, 43944), (32958, 38860), (34974, 36620)]