256453920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{178093}}^1$

素因数の和:178114

約数の個数: 72

約数和(自身を含む): 875153916

約数和(自身を除く): 618699996

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 178093, 356186, 534279, 712372, 890465, 1068558, 1424744, 1602837, 1780930, 2137116, 2671395, 2849488, 3205674, 3561860, 4274232, 5342790, 5698976, 6411348, 7123720, 8014185, 8548464, 10685580, 12822696, 14247440, 16028370, 17096928, 21371160, 25645392, 28494880, 32056740, 42742320, 51290784, 64113480, 85484640, 128226960, 256453920]

約数ペア:

[(1, 256453920), (2, 128226960), (3, 85484640), (4, 64113480), (5, 51290784), (6, 42742320), (8, 32056740), (9, 28494880), (10, 25645392), (12, 21371160), (15, 17096928), (16, 16028370), (18, 14247440), (20, 12822696), (24, 10685580), (30, 8548464), (32, 8014185), (36, 7123720), (40, 6411348), (45, 5698976), (48, 5342790), (60, 4274232), (72, 3561860), (80, 3205674), (90, 2849488), (96, 2671395), (120, 2137116), (144, 1780930), (160, 1602837), (180, 1424744), (240, 1068558), (288, 890465), (360, 712372), (480, 534279), (720, 356186), (1440, 178093)]