1218180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 3467520

約数和(自身を除く): 2249340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 257, 316, 395, 474, 514, 771, 790, 948, 1028, 1185, 1285, 1542, 1580, 2370, 2570, 3084, 3855, 4740, 5140, 7710, 15420, 20303, 40606, 60909, 81212, 101515, 121818, 203030, 243636, 304545, 406060, 609090, 1218180]

約数ペア:

[(1, 1218180), (2, 609090), (3, 406060), (4, 304545), (5, 243636), (6, 203030), (10, 121818), (12, 101515), (15, 81212), (20, 60909), (30, 40606), (60, 20303), (79, 15420), (158, 7710), (237, 5140), (257, 4740), (316, 3855), (395, 3084), (474, 2570), (514, 2370), (771, 1580), (790, 1542), (948, 1285), (1028, 1185)]