207654840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{64091}}^1$

素因数の和:64114

約数の個数: 80

約数和(自身を含む): 697961880

約数和(自身を除く): 490307040

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, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 64091, 128182, 192273, 256364, 320455, 384546, 512728, 576819, 640910, 769092, 961365, 1153638, 1281820, 1538184, 1730457, 1922730, 2307276, 2563640, 2884095, 3460914, 3845460, 4614552, 5191371, 5768190, 6921828, 7690920, 8652285, 10382742, 11536380, 13843656, 17304570, 20765484, 23072760, 25956855, 34609140, 41530968, 51913710, 69218280, 103827420, 207654840]

約数ペア:

[(1, 207654840), (2, 103827420), (3, 69218280), (4, 51913710), (5, 41530968), (6, 34609140), (8, 25956855), (9, 23072760), (10, 20765484), (12, 17304570), (15, 13843656), (18, 11536380), (20, 10382742), (24, 8652285), (27, 7690920), (30, 6921828), (36, 5768190), (40, 5191371), (45, 4614552), (54, 3845460), (60, 3460914), (72, 2884095), (81, 2563640), (90, 2307276), (108, 1922730), (120, 1730457), (135, 1538184), (162, 1281820), (180, 1153638), (216, 961365), (270, 769092), (324, 640910), (360, 576819), (405, 512728), (540, 384546), (648, 320455), (810, 256364), (1080, 192273), (1620, 128182), (3240, 64091)]