654480

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{101}}^1$

素因数の和:126

約数の個数: 100

約数和(自身を含む): 2295612

約数和(自身を除く): 1641132

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 101, 108, 120, 135, 144, 162, 180, 202, 216, 240, 270, 303, 324, 360, 404, 405, 432, 505, 540, 606, 648, 720, 808, 810, 909, 1010, 1080, 1212, 1296, 1515, 1616, 1620, 1818, 2020, 2160, 2424, 2727, 3030, 3240, 3636, 4040, 4545, 4848, 5454, 6060, 6480, 7272, 8080, 8181, 9090, 10908, 12120, 13635, 14544, 16362, 18180, 21816, 24240, 27270, 32724, 36360, 40905, 43632, 54540, 65448, 72720, 81810, 109080, 130896, 163620, 218160, 327240, 654480]

約数ペア:

[(1, 654480), (2, 327240), (3, 218160), (4, 163620), (5, 130896), (6, 109080), (8, 81810), (9, 72720), (10, 65448), (12, 54540), (15, 43632), (16, 40905), (18, 36360), (20, 32724), (24, 27270), (27, 24240), (30, 21816), (36, 18180), (40, 16362), (45, 14544), (48, 13635), (54, 12120), (60, 10908), (72, 9090), (80, 8181), (81, 8080), (90, 7272), (101, 6480), (108, 6060), (120, 5454), (135, 4848), (144, 4545), (162, 4040), (180, 3636), (202, 3240), (216, 3030), (240, 2727), (270, 2424), (303, 2160), (324, 2020), (360, 1818), (404, 1620), (405, 1616), (432, 1515), (505, 1296), (540, 1212), (606, 1080), (648, 1010), (720, 909), (808, 810)]