1330912980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{26693}}^1$

素因数の和:26985

約数の個数: 72

約数和(自身を含む): 4051828872

約数和(自身を除く): 2720915892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 277, 554, 831, 1108, 1385, 1662, 2493, 2770, 3324, 4155, 4986, 5540, 8310, 9972, 12465, 16620, 24930, 26693, 49860, 53386, 80079, 106772, 133465, 160158, 240237, 266930, 320316, 400395, 480474, 533860, 800790, 960948, 1201185, 1601580, 2402370, 4804740, 7393961, 14787922, 22181883, 29575844, 36969805, 44363766, 66545649, 73939610, 88727532, 110909415, 133091298, 147879220, 221818830, 266182596, 332728245, 443637660, 665456490, 1330912980]

約数ペア:

[(1, 1330912980), (2, 665456490), (3, 443637660), (4, 332728245), (5, 266182596), (6, 221818830), (9, 147879220), (10, 133091298), (12, 110909415), (15, 88727532), (18, 73939610), (20, 66545649), (30, 44363766), (36, 36969805), (45, 29575844), (60, 22181883), (90, 14787922), (180, 7393961), (277, 4804740), (554, 2402370), (831, 1601580), (1108, 1201185), (1385, 960948), (1662, 800790), (2493, 533860), (2770, 480474), (3324, 400395), (4155, 320316), (4986, 266930), (5540, 240237), (8310, 160158), (9972, 133465), (12465, 106772), (16620, 80079), (24930, 53386), (26693, 49860)]