72942780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1879}}^1$

素因数の和:2538

約数の個数: 48

約数和(自身を含む): 204664320

約数和(自身を除く): 131721540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 647, 1294, 1879, 1941, 2588, 3235, 3758, 3882, 5637, 6470, 7516, 7764, 9395, 9705, 11274, 12940, 18790, 19410, 22548, 28185, 37580, 38820, 56370, 112740, 1215713, 2431426, 3647139, 4862852, 6078565, 7294278, 12157130, 14588556, 18235695, 24314260, 36471390, 72942780]

約数ペア:

[(1, 72942780), (2, 36471390), (3, 24314260), (4, 18235695), (5, 14588556), (6, 12157130), (10, 7294278), (12, 6078565), (15, 4862852), (20, 3647139), (30, 2431426), (60, 1215713), (647, 112740), (1294, 56370), (1879, 38820), (1941, 37580), (2588, 28185), (3235, 22548), (3758, 19410), (3882, 18790), (5637, 12940), (6470, 11274), (7516, 9705), (7764, 9395)]