61257560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16829}}^1$

素因数の和:16860

約数の個数: 64

約数和(自身を含む): 169646400

約数和(自身を除く): 108388840

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, 16829, 33658, 67316, 84145, 117803, 134632, 168290, 218777, 235606, 336580, 437554, 471212, 589015, 673160, 875108, 942424, 1093885, 1178030, 1531439, 1750216, 2187770, 2356060, 3062878, 4375540, 4712120, 6125756, 7657195, 8751080, 12251512, 15314390, 30628780, 61257560]

約数ペア:

[(1, 61257560), (2, 30628780), (4, 15314390), (5, 12251512), (7, 8751080), (8, 7657195), (10, 6125756), (13, 4712120), (14, 4375540), (20, 3062878), (26, 2356060), (28, 2187770), (35, 1750216), (40, 1531439), (52, 1178030), (56, 1093885), (65, 942424), (70, 875108), (91, 673160), (104, 589015), (130, 471212), (140, 437554), (182, 336580), (260, 235606), (280, 218777), (364, 168290), (455, 134632), (520, 117803), (728, 84145), (910, 67316), (1820, 33658), (3640, 16829)]