12942780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12689}}^1$

素因数の和:12718

約数の個数: 48

約数和(自身を含む): 38374560

約数和(自身を除く): 25431780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 12689, 25378, 38067, 50756, 63445, 76134, 126890, 152268, 190335, 215713, 253780, 380670, 431426, 647139, 761340, 862852, 1078565, 1294278, 2157130, 2588556, 3235695, 4314260, 6471390, 12942780]

約数ペア:

[(1, 12942780), (2, 6471390), (3, 4314260), (4, 3235695), (5, 2588556), (6, 2157130), (10, 1294278), (12, 1078565), (15, 862852), (17, 761340), (20, 647139), (30, 431426), (34, 380670), (51, 253780), (60, 215713), (68, 190335), (85, 152268), (102, 126890), (170, 76134), (204, 63445), (255, 50756), (340, 38067), (510, 25378), (1020, 12689)]