120901240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97501}}^1$

素因数の和:97543

約数の個数: 32

約数和(自身を含む): 280805760

約数和(自身を除く): 159904520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 97501, 195002, 390004, 487505, 780008, 975010, 1950020, 3022531, 3900040, 6045062, 12090124, 15112655, 24180248, 30225310, 60450620, 120901240]

約数ペア:

[(1, 120901240), (2, 60450620), (4, 30225310), (5, 24180248), (8, 15112655), (10, 12090124), (20, 6045062), (31, 3900040), (40, 3022531), (62, 1950020), (124, 975010), (155, 780008), (248, 487505), (310, 390004), (620, 195002), (1240, 97501)]