87804120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1789}}^1$

素因数の和:2212

約数の個数: 64

約数和(自身を含む): 264204000

約数和(自身を除く): 176399880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 409, 818, 1227, 1636, 1789, 2045, 2454, 3272, 3578, 4090, 4908, 5367, 6135, 7156, 8180, 8945, 9816, 10734, 12270, 14312, 16360, 17890, 21468, 24540, 26835, 35780, 42936, 49080, 53670, 71560, 107340, 214680, 731701, 1463402, 2195103, 2926804, 3658505, 4390206, 5853608, 7317010, 8780412, 10975515, 14634020, 17560824, 21951030, 29268040, 43902060, 87804120]

約数ペア:

[(1, 87804120), (2, 43902060), (3, 29268040), (4, 21951030), (5, 17560824), (6, 14634020), (8, 10975515), (10, 8780412), (12, 7317010), (15, 5853608), (20, 4390206), (24, 3658505), (30, 2926804), (40, 2195103), (60, 1463402), (120, 731701), (409, 214680), (818, 107340), (1227, 71560), (1636, 53670), (1789, 49080), (2045, 42936), (2454, 35780), (3272, 26835), (3578, 24540), (4090, 21468), (4908, 17890), (5367, 16360), (6135, 14312), (7156, 12270), (8180, 10734), (8945, 9816)]