15867940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 37537920

約数和(自身を除く): 21669980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 83, 110, 121, 158, 166, 220, 242, 316, 332, 395, 415, 484, 605, 790, 830, 869, 913, 1210, 1580, 1660, 1738, 1826, 2420, 3476, 3652, 4345, 4565, 6557, 8690, 9130, 9559, 10043, 13114, 17380, 18260, 19118, 20086, 26228, 32785, 38236, 40172, 47795, 50215, 65570, 72127, 95590, 100430, 131140, 144254, 191180, 200860, 288508, 360635, 721270, 793397, 1442540, 1586794, 3173588, 3966985, 7933970, 15867940]

約数ペア:

[(1, 15867940), (2, 7933970), (4, 3966985), (5, 3173588), (10, 1586794), (11, 1442540), (20, 793397), (22, 721270), (44, 360635), (55, 288508), (79, 200860), (83, 191180), (110, 144254), (121, 131140), (158, 100430), (166, 95590), (220, 72127), (242, 65570), (316, 50215), (332, 47795), (395, 40172), (415, 38236), (484, 32785), (605, 26228), (790, 20086), (830, 19118), (869, 18260), (913, 17380), (1210, 13114), (1580, 10043), (1660, 9559), (1738, 9130), (1826, 8690), (2420, 6557), (3476, 4565), (3652, 4345)]