147420720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{204751}}^1$

素因数の和:204770

約数の個数: 60

約数和(自身を含む): 495090336

約数和(自身を除く): 347669616

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, 204751, 409502, 614253, 819004, 1023755, 1228506, 1638008, 1842759, 2047510, 2457012, 3071265, 3276016, 3685518, 4095020, 4914024, 6142530, 7371036, 8190040, 9213795, 9828048, 12285060, 14742072, 16380080, 18427590, 24570120, 29484144, 36855180, 49140240, 73710360, 147420720]

約数ペア:

[(1, 147420720), (2, 73710360), (3, 49140240), (4, 36855180), (5, 29484144), (6, 24570120), (8, 18427590), (9, 16380080), (10, 14742072), (12, 12285060), (15, 9828048), (16, 9213795), (18, 8190040), (20, 7371036), (24, 6142530), (30, 4914024), (36, 4095020), (40, 3685518), (45, 3276016), (48, 3071265), (60, 2457012), (72, 2047510), (80, 1842759), (90, 1638008), (120, 1228506), (144, 1023755), (180, 819004), (240, 614253), (360, 409502), (720, 204751)]