199488120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127877}}^1$

素因数の和:127904

約数の個数: 64

約数和(自身を含む): 644505120

約数和(自身を除く): 445017000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 127877, 255754, 383631, 511508, 639385, 767262, 1023016, 1278770, 1534524, 1662401, 1918155, 2557540, 3069048, 3324802, 3836310, 4987203, 5115080, 6649604, 7672620, 8312005, 9974406, 13299208, 15345240, 16624010, 19948812, 24936015, 33248020, 39897624, 49872030, 66496040, 99744060, 199488120]

約数ペア:

[(1, 199488120), (2, 99744060), (3, 66496040), (4, 49872030), (5, 39897624), (6, 33248020), (8, 24936015), (10, 19948812), (12, 16624010), (13, 15345240), (15, 13299208), (20, 9974406), (24, 8312005), (26, 7672620), (30, 6649604), (39, 5115080), (40, 4987203), (52, 3836310), (60, 3324802), (65, 3069048), (78, 2557540), (104, 1918155), (120, 1662401), (130, 1534524), (156, 1278770), (195, 1023016), (260, 767262), (312, 639385), (390, 511508), (520, 383631), (780, 255754), (1560, 127877)]