123241920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{128377}}^1$

素因数の和:128397

約数の個数: 56

約数和(自身を含む): 391296144

約数和(自身を除く): 268054224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 128377, 256754, 385131, 513508, 641885, 770262, 1027016, 1283770, 1540524, 1925655, 2054032, 2567540, 3081048, 3851310, 4108064, 5135080, 6162096, 7702620, 8216128, 10270160, 12324192, 15405240, 20540320, 24648384, 30810480, 41080640, 61620960, 123241920]

約数ペア:

[(1, 123241920), (2, 61620960), (3, 41080640), (4, 30810480), (5, 24648384), (6, 20540320), (8, 15405240), (10, 12324192), (12, 10270160), (15, 8216128), (16, 7702620), (20, 6162096), (24, 5135080), (30, 4108064), (32, 3851310), (40, 3081048), (48, 2567540), (60, 2054032), (64, 1925655), (80, 1540524), (96, 1283770), (120, 1027016), (160, 770262), (192, 641885), (240, 513508), (320, 385131), (480, 256754), (960, 128377)]