31921380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4793}}^1$

素因数の和:4845

約数の個数: 72

約数和(自身を含む): 99465912

約数和(自身を除く): 67544532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 4793, 6660, 9586, 14379, 19172, 23965, 28758, 43137, 47930, 57516, 71895, 86274, 95860, 143790, 172548, 177341, 215685, 287580, 354682, 431370, 532023, 709364, 862740, 886705, 1064046, 1596069, 1773410, 2128092, 2660115, 3192138, 3546820, 5320230, 6384276, 7980345, 10640460, 15960690, 31921380]

約数ペア:

[(1, 31921380), (2, 15960690), (3, 10640460), (4, 7980345), (5, 6384276), (6, 5320230), (9, 3546820), (10, 3192138), (12, 2660115), (15, 2128092), (18, 1773410), (20, 1596069), (30, 1064046), (36, 886705), (37, 862740), (45, 709364), (60, 532023), (74, 431370), (90, 354682), (111, 287580), (148, 215685), (180, 177341), (185, 172548), (222, 143790), (333, 95860), (370, 86274), (444, 71895), (555, 57516), (666, 47930), (740, 43137), (1110, 28758), (1332, 23965), (1665, 19172), (2220, 14379), (3330, 9586), (4793, 6660)]