2870820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 8943480

約数和(自身を除く): 6072660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 389, 410, 492, 615, 738, 778, 820, 1167, 1230, 1476, 1556, 1845, 1945, 2334, 2460, 3501, 3690, 3890, 4668, 5835, 7002, 7380, 7780, 11670, 14004, 15949, 17505, 23340, 31898, 35010, 47847, 63796, 70020, 79745, 95694, 143541, 159490, 191388, 239235, 287082, 318980, 478470, 574164, 717705, 956940, 1435410, 2870820]

約数ペア:

[(1, 2870820), (2, 1435410), (3, 956940), (4, 717705), (5, 574164), (6, 478470), (9, 318980), (10, 287082), (12, 239235), (15, 191388), (18, 159490), (20, 143541), (30, 95694), (36, 79745), (41, 70020), (45, 63796), (60, 47847), (82, 35010), (90, 31898), (123, 23340), (164, 17505), (180, 15949), (205, 14004), (246, 11670), (369, 7780), (389, 7380), (410, 7002), (492, 5835), (615, 4668), (738, 3890), (778, 3690), (820, 3501), (1167, 2460), (1230, 2334), (1476, 1945), (1556, 1845)]