15721497040

素因数分解:

$2^4\times 5^1\times {\mathrm{2659}}^1\times {\mathrm{73907}}^1$

素因数の和:76579

約数の個数: 40

約数和(自身を含む): 36566722080

約数和(自身を除く): 20845225040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2659, 5318, 10636, 13295, 21272, 26590, 42544, 53180, 73907, 106360, 147814, 212720, 295628, 369535, 591256, 739070, 1182512, 1478140, 2956280, 5912560, 196518713, 393037426, 786074852, 982593565, 1572149704, 1965187130, 3144299408, 3930374260, 7860748520, 15721497040]

約数ペア:

[(1, 15721497040), (2, 7860748520), (4, 3930374260), (5, 3144299408), (8, 1965187130), (10, 1572149704), (16, 982593565), (20, 786074852), (40, 393037426), (80, 196518713), (2659, 5912560), (5318, 2956280), (10636, 1478140), (13295, 1182512), (21272, 739070), (26590, 591256), (42544, 369535), (53180, 295628), (73907, 212720), (106360, 147814)]