8830980

素因数分解:

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

素因数の和:777

約数の個数: 72

約数和(自身を含む): 27203904

約数和(自身を除く): 18372924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 691, 710, 852, 1065, 1278, 1382, 1420, 2073, 2130, 2556, 2764, 3195, 3455, 4146, 4260, 6219, 6390, 6910, 8292, 10365, 12438, 12780, 13820, 20730, 24876, 31095, 41460, 49061, 62190, 98122, 124380, 147183, 196244, 245305, 294366, 441549, 490610, 588732, 735915, 883098, 981220, 1471830, 1766196, 2207745, 2943660, 4415490, 8830980]

約数ペア:

[(1, 8830980), (2, 4415490), (3, 2943660), (4, 2207745), (5, 1766196), (6, 1471830), (9, 981220), (10, 883098), (12, 735915), (15, 588732), (18, 490610), (20, 441549), (30, 294366), (36, 245305), (45, 196244), (60, 147183), (71, 124380), (90, 98122), (142, 62190), (180, 49061), (213, 41460), (284, 31095), (355, 24876), (426, 20730), (639, 13820), (691, 12780), (710, 12438), (852, 10365), (1065, 8292), (1278, 6910), (1382, 6390), (1420, 6219), (2073, 4260), (2130, 4146), (2556, 3455), (2764, 3195)]