2807340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 7983360

約数和(自身を除く): 5176020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 659, 710, 852, 1065, 1318, 1420, 1977, 2130, 2636, 3295, 3954, 4260, 6590, 7908, 9885, 13180, 19770, 39540, 46789, 93578, 140367, 187156, 233945, 280734, 467890, 561468, 701835, 935780, 1403670, 2807340]

約数ペア:

[(1, 2807340), (2, 1403670), (3, 935780), (4, 701835), (5, 561468), (6, 467890), (10, 280734), (12, 233945), (15, 187156), (20, 140367), (30, 93578), (60, 46789), (71, 39540), (142, 19770), (213, 13180), (284, 9885), (355, 7908), (426, 6590), (659, 4260), (710, 3954), (852, 3295), (1065, 2636), (1318, 2130), (1420, 1977)]