1945294680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{9011}}^1$

素因数の和:9289

約数の個数: 128

約数和(自身を含む): 6696276480

約数和(自身を除く): 4750981800

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, 210, 257, 280, 420, 514, 771, 840, 1028, 1285, 1542, 1799, 2056, 2570, 3084, 3598, 3855, 5140, 5397, 6168, 7196, 7710, 8995, 9011, 10280, 10794, 14392, 15420, 17990, 18022, 21588, 26985, 27033, 30840, 35980, 36044, 43176, 45055, 53970, 54066, 63077, 71960, 72088, 90110, 107940, 108132, 126154, 135165, 180220, 189231, 215880, 216264, 252308, 270330, 315385, 360440, 378462, 504616, 540660, 630770, 756924, 946155, 1081320, 1261540, 1513848, 1892310, 2315827, 2523080, 3784620, 4631654, 6947481, 7569240, 9263308, 11579135, 13894962, 16210789, 18526616, 23158270, 27789924, 32421578, 34737405, 46316540, 48632367, 55579848, 64843156, 69474810, 81053945, 92633080, 97264734, 129686312, 138949620, 162107890, 194529468, 243161835, 277899240, 324215780, 389058936, 486323670, 648431560, 972647340, 1945294680]

約数ペア:

[(1, 1945294680), (2, 972647340), (3, 648431560), (4, 486323670), (5, 389058936), (6, 324215780), (7, 277899240), (8, 243161835), (10, 194529468), (12, 162107890), (14, 138949620), (15, 129686312), (20, 97264734), (21, 92633080), (24, 81053945), (28, 69474810), (30, 64843156), (35, 55579848), (40, 48632367), (42, 46316540), (56, 34737405), (60, 32421578), (70, 27789924), (84, 23158270), (105, 18526616), (120, 16210789), (140, 13894962), (168, 11579135), (210, 9263308), (257, 7569240), (280, 6947481), (420, 4631654), (514, 3784620), (771, 2523080), (840, 2315827), (1028, 1892310), (1285, 1513848), (1542, 1261540), (1799, 1081320), (2056, 946155), (2570, 756924), (3084, 630770), (3598, 540660), (3855, 504616), (5140, 378462), (5397, 360440), (6168, 315385), (7196, 270330), (7710, 252308), (8995, 216264), (9011, 215880), (10280, 189231), (10794, 180220), (14392, 135165), (15420, 126154), (17990, 108132), (18022, 107940), (21588, 90110), (26985, 72088), (27033, 71960), (30840, 63077), (35980, 54066), (36044, 53970), (43176, 45055)]