724740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 2080512

約数和(自身を除く): 1355772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 257, 282, 470, 514, 564, 705, 771, 940, 1028, 1285, 1410, 1542, 2570, 2820, 3084, 3855, 5140, 7710, 12079, 15420, 24158, 36237, 48316, 60395, 72474, 120790, 144948, 181185, 241580, 362370, 724740]

約数ペア:

[(1, 724740), (2, 362370), (3, 241580), (4, 181185), (5, 144948), (6, 120790), (10, 72474), (12, 60395), (15, 48316), (20, 36237), (30, 24158), (47, 15420), (60, 12079), (94, 7710), (141, 5140), (188, 3855), (235, 3084), (257, 2820), (282, 2570), (470, 1542), (514, 1410), (564, 1285), (705, 1028), (771, 940)]