78436680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{93377}}^1$

素因数の和:93398

約数の個数: 64

約数和(自身を含む): 268928640

約数和(自身を除く): 190491960

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, 93377, 186754, 280131, 373508, 466885, 560262, 653639, 747016, 933770, 1120524, 1307278, 1400655, 1867540, 1960917, 2241048, 2614556, 2801310, 3268195, 3735080, 3921834, 5229112, 5602620, 6536390, 7843668, 9804585, 11205240, 13072780, 15687336, 19609170, 26145560, 39218340, 78436680]

約数ペア:

[(1, 78436680), (2, 39218340), (3, 26145560), (4, 19609170), (5, 15687336), (6, 13072780), (7, 11205240), (8, 9804585), (10, 7843668), (12, 6536390), (14, 5602620), (15, 5229112), (20, 3921834), (21, 3735080), (24, 3268195), (28, 2801310), (30, 2614556), (35, 2241048), (40, 1960917), (42, 1867540), (56, 1400655), (60, 1307278), (70, 1120524), (84, 933770), (105, 747016), (120, 653639), (140, 560262), (168, 466885), (210, 373508), (280, 280131), (420, 186754), (840, 93377)]