64228860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1493}}^1$

素因数の和:1747

約数の個数: 72

約数和(自身を含む): 195773760

約数和(自身を除く): 131544900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 1493, 2151, 2390, 2868, 2986, 3585, 4302, 4479, 4780, 5972, 7170, 7465, 8604, 8958, 10755, 13437, 14340, 14930, 17916, 21510, 22395, 26874, 29860, 43020, 44790, 53748, 67185, 89580, 134370, 268740, 356827, 713654, 1070481, 1427308, 1784135, 2140962, 3211443, 3568270, 4281924, 5352405, 6422886, 7136540, 10704810, 12845772, 16057215, 21409620, 32114430, 64228860]

約数ペア:

[(1, 64228860), (2, 32114430), (3, 21409620), (4, 16057215), (5, 12845772), (6, 10704810), (9, 7136540), (10, 6422886), (12, 5352405), (15, 4281924), (18, 3568270), (20, 3211443), (30, 2140962), (36, 1784135), (45, 1427308), (60, 1070481), (90, 713654), (180, 356827), (239, 268740), (478, 134370), (717, 89580), (956, 67185), (1195, 53748), (1434, 44790), (1493, 43020), (2151, 29860), (2390, 26874), (2868, 22395), (2986, 21510), (3585, 17916), (4302, 14930), (4479, 14340), (4780, 13437), (5972, 10755), (7170, 8958), (7465, 8604)]