128376720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{178301}}^1$

素因数の和:178320

約数の個数: 60

約数和(自身を含む): 431134236

約数和(自身を除く): 302757516

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, 178301, 356602, 534903, 713204, 891505, 1069806, 1426408, 1604709, 1783010, 2139612, 2674515, 2852816, 3209418, 3566020, 4279224, 5349030, 6418836, 7132040, 8023545, 8558448, 10698060, 12837672, 14264080, 16047090, 21396120, 25675344, 32094180, 42792240, 64188360, 128376720]

約数ペア:

[(1, 128376720), (2, 64188360), (3, 42792240), (4, 32094180), (5, 25675344), (6, 21396120), (8, 16047090), (9, 14264080), (10, 12837672), (12, 10698060), (15, 8558448), (16, 8023545), (18, 7132040), (20, 6418836), (24, 5349030), (30, 4279224), (36, 3566020), (40, 3209418), (45, 2852816), (48, 2674515), (60, 2139612), (72, 1783010), (80, 1604709), (90, 1426408), (120, 1069806), (144, 891505), (180, 713204), (240, 534903), (360, 356602), (720, 178301)]