68979880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 174056040

約数和(自身を除く): 105076160

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 281, 323, 340, 361, 380, 562, 646, 680, 722, 760, 1124, 1292, 1405, 1444, 1615, 1805, 2248, 2584, 2810, 2888, 3230, 3610, 4777, 5339, 5620, 6137, 6460, 7220, 9554, 10678, 11240, 12274, 12920, 14440, 19108, 21356, 23885, 24548, 26695, 30685, 38216, 42712, 47770, 49096, 53390, 61370, 90763, 95540, 101441, 106780, 122740, 181526, 191080, 202882, 213560, 245480, 363052, 405764, 453815, 507205, 726104, 811528, 907630, 1014410, 1724497, 1815260, 2028820, 3448994, 3630520, 4057640, 6897988, 8622485, 13795976, 17244970, 34489940, 68979880]

約数ペア:

[(1, 68979880), (2, 34489940), (4, 17244970), (5, 13795976), (8, 8622485), (10, 6897988), (17, 4057640), (19, 3630520), (20, 3448994), (34, 2028820), (38, 1815260), (40, 1724497), (68, 1014410), (76, 907630), (85, 811528), (95, 726104), (136, 507205), (152, 453815), (170, 405764), (190, 363052), (281, 245480), (323, 213560), (340, 202882), (361, 191080), (380, 181526), (562, 122740), (646, 106780), (680, 101441), (722, 95540), (760, 90763), (1124, 61370), (1292, 53390), (1405, 49096), (1444, 47770), (1615, 42712), (1805, 38216), (2248, 30685), (2584, 26695), (2810, 24548), (2888, 23885), (3230, 21356), (3610, 19108), (4777, 14440), (5339, 12920), (5620, 12274), (6137, 11240), (6460, 10678), (7220, 9554)]