15720360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{487}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 47433600

約数和(自身を除く): 31713240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 487, 538, 807, 974, 1076, 1345, 1461, 1614, 1948, 2152, 2435, 2690, 2922, 3228, 3896, 4035, 4870, 5380, 5844, 6456, 7305, 8070, 9740, 10760, 11688, 14610, 16140, 19480, 29220, 32280, 58440, 131003, 262006, 393009, 524012, 655015, 786018, 1048024, 1310030, 1572036, 1965045, 2620060, 3144072, 3930090, 5240120, 7860180, 15720360]

約数ペア:

[(1, 15720360), (2, 7860180), (3, 5240120), (4, 3930090), (5, 3144072), (6, 2620060), (8, 1965045), (10, 1572036), (12, 1310030), (15, 1048024), (20, 786018), (24, 655015), (30, 524012), (40, 393009), (60, 262006), (120, 131003), (269, 58440), (487, 32280), (538, 29220), (807, 19480), (974, 16140), (1076, 14610), (1345, 11688), (1461, 10760), (1614, 9740), (1948, 8070), (2152, 7305), (2435, 6456), (2690, 5844), (2922, 5380), (3228, 4870), (3896, 4035)]