78483780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{691}}^1$

素因数の和:1337

約数の個数: 72

約数和(自身を含む): 238789824

約数和(自身を除く): 160306044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 631, 691, 1262, 1382, 1893, 2073, 2524, 2764, 3155, 3455, 3786, 4146, 5679, 6219, 6310, 6910, 7572, 8292, 9465, 10365, 11358, 12438, 12620, 13820, 18930, 20730, 22716, 24876, 28395, 31095, 37860, 41460, 56790, 62190, 113580, 124380, 436021, 872042, 1308063, 1744084, 2180105, 2616126, 3924189, 4360210, 5232252, 6540315, 7848378, 8720420, 13080630, 15696756, 19620945, 26161260, 39241890, 78483780]

約数ペア:

[(1, 78483780), (2, 39241890), (3, 26161260), (4, 19620945), (5, 15696756), (6, 13080630), (9, 8720420), (10, 7848378), (12, 6540315), (15, 5232252), (18, 4360210), (20, 3924189), (30, 2616126), (36, 2180105), (45, 1744084), (60, 1308063), (90, 872042), (180, 436021), (631, 124380), (691, 113580), (1262, 62190), (1382, 56790), (1893, 41460), (2073, 37860), (2524, 31095), (2764, 28395), (3155, 24876), (3455, 22716), (3786, 20730), (4146, 18930), (5679, 13820), (6219, 12620), (6310, 12438), (6910, 11358), (7572, 10365), (8292, 9465)]