1540289920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{185131}}^1$

素因数の和:185163

約数の個数: 64

約数和(自身を含む): 3965527440

約数和(自身を除く): 2425237520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 185131, 370262, 740524, 925655, 1481048, 1851310, 2406703, 2962096, 3702620, 4813406, 5924192, 7405240, 9626812, 11848384, 12033515, 14810480, 19253624, 23696768, 24067030, 29620960, 38507248, 48134060, 59241920, 77014496, 96268120, 118483840, 154028992, 192536240, 308057984, 385072480, 770144960, 1540289920]

約数ペア:

[(1, 1540289920), (2, 770144960), (4, 385072480), (5, 308057984), (8, 192536240), (10, 154028992), (13, 118483840), (16, 96268120), (20, 77014496), (26, 59241920), (32, 48134060), (40, 38507248), (52, 29620960), (64, 24067030), (65, 23696768), (80, 19253624), (104, 14810480), (128, 12033515), (130, 11848384), (160, 9626812), (208, 7405240), (260, 5924192), (320, 4813406), (416, 3702620), (520, 2962096), (640, 2406703), (832, 1851310), (1040, 1481048), (1664, 925655), (2080, 740524), (4160, 370262), (8320, 185131)]