81424440

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{8377}}^1$

素因数の和:8403

約数の個数: 96

約数和(自身を含む): 274463280

約数和(自身を除く): 193038840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 8377, 9720, 16754, 25131, 33508, 41885, 50262, 67016, 75393, 83770, 100524, 125655, 150786, 167540, 201048, 226179, 251310, 301572, 335080, 376965, 452358, 502620, 603144, 678537, 753930, 904716, 1005240, 1130895, 1357074, 1507860, 1809432, 2035611, 2261790, 2714148, 3015720, 3392685, 4071222, 4523580, 5428296, 6785370, 8142444, 9047160, 10178055, 13570740, 16284888, 20356110, 27141480, 40712220, 81424440]

約数ペア:

[(1, 81424440), (2, 40712220), (3, 27141480), (4, 20356110), (5, 16284888), (6, 13570740), (8, 10178055), (9, 9047160), (10, 8142444), (12, 6785370), (15, 5428296), (18, 4523580), (20, 4071222), (24, 3392685), (27, 3015720), (30, 2714148), (36, 2261790), (40, 2035611), (45, 1809432), (54, 1507860), (60, 1357074), (72, 1130895), (81, 1005240), (90, 904716), (108, 753930), (120, 678537), (135, 603144), (162, 502620), (180, 452358), (216, 376965), (243, 335080), (270, 301572), (324, 251310), (360, 226179), (405, 201048), (486, 167540), (540, 150786), (648, 125655), (810, 100524), (972, 83770), (1080, 75393), (1215, 67016), (1620, 50262), (1944, 41885), (2430, 33508), (3240, 25131), (4860, 16754), (8377, 9720)]