65521620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2657}}^1$

素因数の和:2809

約数の個数: 72

約数和(自身を含む): 200274984

約数和(自身を除く): 134753364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2657, 2740, 4110, 4932, 5314, 6165, 7971, 8220, 10628, 12330, 13285, 15942, 23913, 24660, 26570, 31884, 39855, 47826, 53140, 79710, 95652, 119565, 159420, 239130, 364009, 478260, 728018, 1092027, 1456036, 1820045, 2184054, 3276081, 3640090, 4368108, 5460135, 6552162, 7280180, 10920270, 13104324, 16380405, 21840540, 32760810, 65521620]

約数ペア:

[(1, 65521620), (2, 32760810), (3, 21840540), (4, 16380405), (5, 13104324), (6, 10920270), (9, 7280180), (10, 6552162), (12, 5460135), (15, 4368108), (18, 3640090), (20, 3276081), (30, 2184054), (36, 1820045), (45, 1456036), (60, 1092027), (90, 728018), (137, 478260), (180, 364009), (274, 239130), (411, 159420), (548, 119565), (685, 95652), (822, 79710), (1233, 53140), (1370, 47826), (1644, 39855), (2055, 31884), (2466, 26570), (2657, 24660), (2740, 23913), (4110, 15942), (4932, 13285), (5314, 12330), (6165, 10628), (7971, 8220)]