51780240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71917}}^1$

素因数の和:71936

約数の個数: 60

約数和(自身を含む): 173897724

約数和(自身を除く): 122117484

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, 71917, 143834, 215751, 287668, 359585, 431502, 575336, 647253, 719170, 863004, 1078755, 1150672, 1294506, 1438340, 1726008, 2157510, 2589012, 2876680, 3236265, 3452016, 4315020, 5178024, 5753360, 6472530, 8630040, 10356048, 12945060, 17260080, 25890120, 51780240]

約数ペア:

[(1, 51780240), (2, 25890120), (3, 17260080), (4, 12945060), (5, 10356048), (6, 8630040), (8, 6472530), (9, 5753360), (10, 5178024), (12, 4315020), (15, 3452016), (16, 3236265), (18, 2876680), (20, 2589012), (24, 2157510), (30, 1726008), (36, 1438340), (40, 1294506), (45, 1150672), (48, 1078755), (60, 863004), (72, 719170), (80, 647253), (90, 575336), (120, 431502), (144, 359585), (180, 287668), (240, 215751), (360, 143834), (720, 71917)]