135180720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{187751}}^1$

素因数の和:187770

約数の個数: 60

約数和(自身を含む): 453984336

約数和(自身を除く): 318803616

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, 187751, 375502, 563253, 751004, 938755, 1126506, 1502008, 1689759, 1877510, 2253012, 2816265, 3004016, 3379518, 3755020, 4506024, 5632530, 6759036, 7510040, 8448795, 9012048, 11265060, 13518072, 15020080, 16897590, 22530120, 27036144, 33795180, 45060240, 67590360, 135180720]

約数ペア:

[(1, 135180720), (2, 67590360), (3, 45060240), (4, 33795180), (5, 27036144), (6, 22530120), (8, 16897590), (9, 15020080), (10, 13518072), (12, 11265060), (15, 9012048), (16, 8448795), (18, 7510040), (20, 6759036), (24, 5632530), (30, 4506024), (36, 3755020), (40, 3379518), (45, 3004016), (48, 2816265), (60, 2253012), (72, 1877510), (80, 1689759), (90, 1502008), (120, 1126506), (144, 938755), (180, 751004), (240, 563253), (360, 375502), (720, 187751)]