2943660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 8370432

約数和(自身を除く): 5426772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 691, 710, 852, 1065, 1382, 1420, 2073, 2130, 2764, 3455, 4146, 4260, 6910, 8292, 10365, 13820, 20730, 41460, 49061, 98122, 147183, 196244, 245305, 294366, 490610, 588732, 735915, 981220, 1471830, 2943660]

約数ペア:

[(1, 2943660), (2, 1471830), (3, 981220), (4, 735915), (5, 588732), (6, 490610), (10, 294366), (12, 245305), (15, 196244), (20, 147183), (30, 98122), (60, 49061), (71, 41460), (142, 20730), (213, 13820), (284, 10365), (355, 8292), (426, 6910), (691, 4260), (710, 4146), (852, 3455), (1065, 2764), (1382, 2130), (1420, 2073)]