15697726840

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{431}}^1\times {\mathrm{2609}}^1$

素因数の和:3400

約数の個数: 64

約数和(自身を含む): 35516880000

約数和(自身を除く): 19819153160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 431, 698, 862, 1396, 1724, 1745, 2155, 2609, 2792, 3448, 3490, 4310, 5218, 6980, 8620, 10436, 13045, 13960, 17240, 20872, 26090, 52180, 104360, 150419, 300838, 601676, 752095, 910541, 1124479, 1203352, 1504190, 1821082, 2248958, 3008380, 3642164, 4497916, 4552705, 5622395, 6016760, 7284328, 8995832, 9105410, 11244790, 18210820, 22489580, 36421640, 44979160, 392443171, 784886342, 1569772684, 1962215855, 3139545368, 3924431710, 7848863420, 15697726840]

約数ペア:

[(1, 15697726840), (2, 7848863420), (4, 3924431710), (5, 3139545368), (8, 1962215855), (10, 1569772684), (20, 784886342), (40, 392443171), (349, 44979160), (431, 36421640), (698, 22489580), (862, 18210820), (1396, 11244790), (1724, 9105410), (1745, 8995832), (2155, 7284328), (2609, 6016760), (2792, 5622395), (3448, 4552705), (3490, 4497916), (4310, 3642164), (5218, 3008380), (6980, 2248958), (8620, 1821082), (10436, 1504190), (13045, 1203352), (13960, 1124479), (17240, 910541), (20872, 752095), (26090, 601676), (52180, 300838), (104360, 150419)]