428197320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{396479}}^1$

素因数の和:396499

約数の個数: 64

約数和(自身を含む): 1427328000

約数和(自身を除く): 999130680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 396479, 792958, 1189437, 1585916, 1982395, 2378874, 3171832, 3568311, 3964790, 4757748, 5947185, 7136622, 7929580, 9515496, 10704933, 11894370, 14273244, 15859160, 17841555, 21409866, 23788740, 28546488, 35683110, 42819732, 47577480, 53524665, 71366220, 85639464, 107049330, 142732440, 214098660, 428197320]

約数ペア:

[(1, 428197320), (2, 214098660), (3, 142732440), (4, 107049330), (5, 85639464), (6, 71366220), (8, 53524665), (9, 47577480), (10, 42819732), (12, 35683110), (15, 28546488), (18, 23788740), (20, 21409866), (24, 17841555), (27, 15859160), (30, 14273244), (36, 11894370), (40, 10704933), (45, 9515496), (54, 7929580), (60, 7136622), (72, 5947185), (90, 4757748), (108, 3964790), (120, 3568311), (135, 3171832), (180, 2378874), (216, 1982395), (270, 1585916), (360, 1189437), (540, 792958), (1080, 396479)]