78420120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{653501}}^1$

素因数の和:653515

約数の個数: 32

約数和(自身を含む): 235260720

約数和(自身を除く): 156840600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 653501, 1307002, 1960503, 2614004, 3267505, 3921006, 5228008, 6535010, 7842012, 9802515, 13070020, 15684024, 19605030, 26140040, 39210060, 78420120]

約数ペア:

[(1, 78420120), (2, 39210060), (3, 26140040), (4, 19605030), (5, 15684024), (6, 13070020), (8, 9802515), (10, 7842012), (12, 6535010), (15, 5228008), (20, 3921006), (24, 3267505), (30, 2614004), (40, 1960503), (60, 1307002), (120, 653501)]