31012920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 101481120

約数和(自身を除く): 70468200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 277, 311, 360, 554, 622, 831, 933, 1108, 1244, 1385, 1555, 1662, 1866, 2216, 2488, 2493, 2770, 2799, 3110, 3324, 3732, 4155, 4665, 4986, 5540, 5598, 6220, 6648, 7464, 8310, 9330, 9972, 11080, 11196, 12440, 12465, 13995, 16620, 18660, 19944, 22392, 24930, 27990, 33240, 37320, 49860, 55980, 86147, 99720, 111960, 172294, 258441, 344588, 430735, 516882, 689176, 775323, 861470, 1033764, 1292205, 1550646, 1722940, 2067528, 2584410, 3101292, 3445880, 3876615, 5168820, 6202584, 7753230, 10337640, 15506460, 31012920]

約数ペア:

[(1, 31012920), (2, 15506460), (3, 10337640), (4, 7753230), (5, 6202584), (6, 5168820), (8, 3876615), (9, 3445880), (10, 3101292), (12, 2584410), (15, 2067528), (18, 1722940), (20, 1550646), (24, 1292205), (30, 1033764), (36, 861470), (40, 775323), (45, 689176), (60, 516882), (72, 430735), (90, 344588), (120, 258441), (180, 172294), (277, 111960), (311, 99720), (360, 86147), (554, 55980), (622, 49860), (831, 37320), (933, 33240), (1108, 27990), (1244, 24930), (1385, 22392), (1555, 19944), (1662, 18660), (1866, 16620), (2216, 13995), (2488, 12465), (2493, 12440), (2770, 11196), (2799, 11080), (3110, 9972), (3324, 9330), (3732, 8310), (4155, 7464), (4665, 6648), (4986, 6220), (5540, 5598)]