81696240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113467}}^1$

素因数の和:113486

約数の個数: 60

約数和(自身を含む): 274365624

約数和(自身を除く): 192669384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113467, 226934, 340401, 453868, 567335, 680802, 907736, 1021203, 1134670, 1361604, 1702005, 1815472, 2042406, 2269340, 2723208, 3404010, 4084812, 4538680, 5106015, 5446416, 6808020, 8169624, 9077360, 10212030, 13616040, 16339248, 20424060, 27232080, 40848120, 81696240]

約数ペア:

[(1, 81696240), (2, 40848120), (3, 27232080), (4, 20424060), (5, 16339248), (6, 13616040), (8, 10212030), (9, 9077360), (10, 8169624), (12, 6808020), (15, 5446416), (16, 5106015), (18, 4538680), (20, 4084812), (24, 3404010), (30, 2723208), (36, 2269340), (40, 2042406), (45, 1815472), (48, 1702005), (60, 1361604), (72, 1134670), (80, 1021203), (90, 907736), (120, 680802), (144, 567335), (180, 453868), (240, 340401), (360, 226934), (720, 113467)]