2590740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 8091720

約数和(自身を除く): 5500980

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, 389, 444, 555, 666, 740, 778, 1110, 1167, 1332, 1556, 1665, 1945, 2220, 2334, 3330, 3501, 3890, 4668, 5835, 6660, 7002, 7780, 11670, 14004, 14393, 17505, 23340, 28786, 35010, 43179, 57572, 70020, 71965, 86358, 129537, 143930, 172716, 215895, 259074, 287860, 431790, 518148, 647685, 863580, 1295370, 2590740]

約数ペア:

[(1, 2590740), (2, 1295370), (3, 863580), (4, 647685), (5, 518148), (6, 431790), (9, 287860), (10, 259074), (12, 215895), (15, 172716), (18, 143930), (20, 129537), (30, 86358), (36, 71965), (37, 70020), (45, 57572), (60, 43179), (74, 35010), (90, 28786), (111, 23340), (148, 17505), (180, 14393), (185, 14004), (222, 11670), (333, 7780), (370, 7002), (389, 6660), (444, 5835), (555, 4668), (666, 3890), (740, 3501), (778, 3330), (1110, 2334), (1167, 2220), (1332, 1945), (1556, 1665)]