12961480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 36012600

約数和(自身を除く): 23051120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 389, 392, 476, 490, 595, 680, 778, 833, 952, 980, 1190, 1556, 1666, 1945, 1960, 2380, 2723, 3112, 3332, 3890, 4165, 4760, 5446, 6613, 6664, 7780, 8330, 10892, 13226, 13615, 15560, 16660, 19061, 21784, 26452, 27230, 33065, 33320, 38122, 46291, 52904, 54460, 66130, 76244, 92582, 95305, 108920, 132260, 152488, 185164, 190610, 231455, 264520, 324037, 370328, 381220, 462910, 648074, 762440, 925820, 1296148, 1620185, 1851640, 2592296, 3240370, 6480740, 12961480]

約数ペア:

[(1, 12961480), (2, 6480740), (4, 3240370), (5, 2592296), (7, 1851640), (8, 1620185), (10, 1296148), (14, 925820), (17, 762440), (20, 648074), (28, 462910), (34, 381220), (35, 370328), (40, 324037), (49, 264520), (56, 231455), (68, 190610), (70, 185164), (85, 152488), (98, 132260), (119, 108920), (136, 95305), (140, 92582), (170, 76244), (196, 66130), (238, 54460), (245, 52904), (280, 46291), (340, 38122), (389, 33320), (392, 33065), (476, 27230), (490, 26452), (595, 21784), (680, 19061), (778, 16660), (833, 15560), (952, 13615), (980, 13226), (1190, 10892), (1556, 8330), (1666, 7780), (1945, 6664), (1960, 6613), (2380, 5446), (2723, 4760), (3112, 4165), (3332, 3890)]