12645540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 38683008

約数和(自身を除く): 26037468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 431, 489, 652, 815, 862, 978, 1293, 1467, 1630, 1724, 1956, 2155, 2445, 2586, 2934, 3260, 3879, 4310, 4890, 5172, 5868, 6465, 7335, 7758, 8620, 9780, 12930, 14670, 15516, 19395, 25860, 29340, 38790, 70253, 77580, 140506, 210759, 281012, 351265, 421518, 632277, 702530, 843036, 1053795, 1264554, 1405060, 2107590, 2529108, 3161385, 4215180, 6322770, 12645540]

約数ペア:

[(1, 12645540), (2, 6322770), (3, 4215180), (4, 3161385), (5, 2529108), (6, 2107590), (9, 1405060), (10, 1264554), (12, 1053795), (15, 843036), (18, 702530), (20, 632277), (30, 421518), (36, 351265), (45, 281012), (60, 210759), (90, 140506), (163, 77580), (180, 70253), (326, 38790), (431, 29340), (489, 25860), (652, 19395), (815, 15516), (862, 14670), (978, 12930), (1293, 9780), (1467, 8620), (1630, 7758), (1724, 7335), (1956, 6465), (2155, 5868), (2445, 5172), (2586, 4890), (2934, 4310), (3260, 3879)]