320888100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{82279}}^1$

素因数の和:82309

約数の個数: 72

約数和(自身を含む): 999866560

約数和(自身を除く): 678978460

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, 82279, 164558, 246837, 329116, 411395, 493674, 822790, 987348, 1069627, 1234185, 1645580, 2056975, 2139254, 2468370, 3208881, 4113950, 4278508, 4936740, 5348135, 6170925, 6417762, 8227900, 10696270, 12341850, 12835524, 16044405, 21392540, 24683700, 26740675, 32088810, 53481350, 64177620, 80222025, 106962700, 160444050, 320888100]

約数ペア:

[(1, 320888100), (2, 160444050), (3, 106962700), (4, 80222025), (5, 64177620), (6, 53481350), (10, 32088810), (12, 26740675), (13, 24683700), (15, 21392540), (20, 16044405), (25, 12835524), (26, 12341850), (30, 10696270), (39, 8227900), (50, 6417762), (52, 6170925), (60, 5348135), (65, 4936740), (75, 4278508), (78, 4113950), (100, 3208881), (130, 2468370), (150, 2139254), (156, 2056975), (195, 1645580), (260, 1234185), (300, 1069627), (325, 987348), (390, 822790), (650, 493674), (780, 411395), (975, 329116), (1300, 246837), (1950, 164558), (3900, 82279)]