255765900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{65581}}^1$

素因数の和:65611

約数の個数: 72

約数和(自身を含む): 796952464

約数和(自身を除く): 541186564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 65581, 131162, 196743, 262324, 327905, 393486, 655810, 786972, 852553, 983715, 1311620, 1639525, 1705106, 1967430, 2557659, 3279050, 3410212, 3934860, 4262765, 4918575, 5115318, 6558100, 8525530, 9837150, 10230636, 12788295, 17051060, 19674300, 21313825, 25576590, 42627650, 51153180, 63941475, 85255300, 127882950, 255765900]

約数ペア:

[(1, 255765900), (2, 127882950), (3, 85255300), (4, 63941475), (5, 51153180), (6, 42627650), (10, 25576590), (12, 21313825), (13, 19674300), (15, 17051060), (20, 12788295), (25, 10230636), (26, 9837150), (30, 8525530), (39, 6558100), (50, 5115318), (52, 4918575), (60, 4262765), (65, 3934860), (75, 3410212), (78, 3279050), (100, 2557659), (130, 1967430), (150, 1705106), (156, 1639525), (195, 1311620), (260, 983715), (300, 852553), (325, 786972), (390, 655810), (650, 393486), (780, 327905), (975, 262324), (1300, 196743), (1950, 131162), (3900, 65581)]