31223520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21683}}^1$

素因数の和:21704

約数の個数: 72

約数和(自身を含む): 106555176

約数和(自身を除く): 75331656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21683, 43366, 65049, 86732, 108415, 130098, 173464, 195147, 216830, 260196, 325245, 346928, 390294, 433660, 520392, 650490, 693856, 780588, 867320, 975735, 1040784, 1300980, 1561176, 1734640, 1951470, 2081568, 2601960, 3122352, 3469280, 3902940, 5203920, 6244704, 7805880, 10407840, 15611760, 31223520]

約数ペア:

[(1, 31223520), (2, 15611760), (3, 10407840), (4, 7805880), (5, 6244704), (6, 5203920), (8, 3902940), (9, 3469280), (10, 3122352), (12, 2601960), (15, 2081568), (16, 1951470), (18, 1734640), (20, 1561176), (24, 1300980), (30, 1040784), (32, 975735), (36, 867320), (40, 780588), (45, 693856), (48, 650490), (60, 520392), (72, 433660), (80, 390294), (90, 346928), (96, 325245), (120, 260196), (144, 216830), (160, 195147), (180, 173464), (240, 130098), (288, 108415), (360, 86732), (480, 65049), (720, 43366), (1440, 21683)]