61978280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17027}}^1$

素因数の和:17058

約数の個数: 64

約数和(自身を含む): 171642240

約数和(自身を除く): 109663960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 17027, 34054, 68108, 85135, 119189, 136216, 170270, 221351, 238378, 340540, 442702, 476756, 595945, 681080, 885404, 953512, 1106755, 1191890, 1549457, 1770808, 2213510, 2383780, 3098914, 4427020, 4767560, 6197828, 7747285, 8854040, 12395656, 15494570, 30989140, 61978280]

約数ペア:

[(1, 61978280), (2, 30989140), (4, 15494570), (5, 12395656), (7, 8854040), (8, 7747285), (10, 6197828), (13, 4767560), (14, 4427020), (20, 3098914), (26, 2383780), (28, 2213510), (35, 1770808), (40, 1549457), (52, 1191890), (56, 1106755), (65, 953512), (70, 885404), (91, 681080), (104, 595945), (130, 476756), (140, 442702), (182, 340540), (260, 238378), (280, 221351), (364, 170270), (455, 136216), (520, 119189), (728, 85135), (910, 68108), (1820, 34054), (3640, 17027)]