64835640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{20011}}^1$

素因数の和:20034

約数の個数: 80

約数和(自身を含む): 217930680

約数和(自身を除く): 153095040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 20011, 40022, 60033, 80044, 100055, 120066, 160088, 180099, 200110, 240132, 300165, 360198, 400220, 480264, 540297, 600330, 720396, 800440, 900495, 1080594, 1200660, 1440792, 1620891, 1800990, 2161188, 2401320, 2701485, 3241782, 3601980, 4322376, 5402970, 6483564, 7203960, 8104455, 10805940, 12967128, 16208910, 21611880, 32417820, 64835640]

約数ペア:

[(1, 64835640), (2, 32417820), (3, 21611880), (4, 16208910), (5, 12967128), (6, 10805940), (8, 8104455), (9, 7203960), (10, 6483564), (12, 5402970), (15, 4322376), (18, 3601980), (20, 3241782), (24, 2701485), (27, 2401320), (30, 2161188), (36, 1800990), (40, 1620891), (45, 1440792), (54, 1200660), (60, 1080594), (72, 900495), (81, 800440), (90, 720396), (108, 600330), (120, 540297), (135, 480264), (162, 400220), (180, 360198), (216, 300165), (270, 240132), (324, 200110), (360, 180099), (405, 160088), (540, 120066), (648, 100055), (810, 80044), (1080, 60033), (1620, 40022), (3240, 20011)]