205696680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{244877}}^1$

素因数の和:244898

約数の個数: 64

約数和(自身を含む): 705248640

約数和(自身を除く): 499551960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 244877, 489754, 734631, 979508, 1224385, 1469262, 1714139, 1959016, 2448770, 2938524, 3428278, 3673155, 4897540, 5142417, 5877048, 6856556, 7346310, 8570695, 9795080, 10284834, 13713112, 14692620, 17141390, 20569668, 25712085, 29385240, 34282780, 41139336, 51424170, 68565560, 102848340, 205696680]

約数ペア:

[(1, 205696680), (2, 102848340), (3, 68565560), (4, 51424170), (5, 41139336), (6, 34282780), (7, 29385240), (8, 25712085), (10, 20569668), (12, 17141390), (14, 14692620), (15, 13713112), (20, 10284834), (21, 9795080), (24, 8570695), (28, 7346310), (30, 6856556), (35, 5877048), (40, 5142417), (42, 4897540), (56, 3673155), (60, 3428278), (70, 2938524), (84, 2448770), (105, 1959016), (120, 1714139), (140, 1469262), (168, 1224385), (210, 979508), (280, 734631), (420, 489754), (840, 244877)]