78508620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5521}}^1$

素因数の和:5615

約数の個数: 72

約数和(自身を含む): 241200960

約数和(自身を除く): 162692340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 5521, 7110, 11042, 14220, 16563, 22084, 27605, 33126, 49689, 55210, 66252, 82815, 99378, 110420, 165630, 198756, 248445, 331260, 436159, 496890, 872318, 993780, 1308477, 1744636, 2180795, 2616954, 3925431, 4361590, 5233908, 6542385, 7850862, 8723180, 13084770, 15701724, 19627155, 26169540, 39254310, 78508620]

約数ペア:

[(1, 78508620), (2, 39254310), (3, 26169540), (4, 19627155), (5, 15701724), (6, 13084770), (9, 8723180), (10, 7850862), (12, 6542385), (15, 5233908), (18, 4361590), (20, 3925431), (30, 2616954), (36, 2180795), (45, 1744636), (60, 1308477), (79, 993780), (90, 872318), (158, 496890), (180, 436159), (237, 331260), (316, 248445), (395, 198756), (474, 165630), (711, 110420), (790, 99378), (948, 82815), (1185, 66252), (1422, 55210), (1580, 49689), (2370, 33126), (2844, 27605), (3555, 22084), (4740, 16563), (5521, 14220), (7110, 11042)]