28628460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22721}}^1$

素因数の和:22743

約数の個数: 72

約数和(自身を含む): 99249696

約数和(自身を除く): 70621236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22721, 45442, 68163, 90884, 113605, 136326, 159047, 204489, 227210, 272652, 318094, 340815, 408978, 454420, 477141, 636188, 681630, 795235, 817956, 954282, 1022445, 1363260, 1431423, 1590470, 1908564, 2044890, 2385705, 2862846, 3180940, 4089780, 4771410, 5725692, 7157115, 9542820, 14314230, 28628460]

約数ペア:

[(1, 28628460), (2, 14314230), (3, 9542820), (4, 7157115), (5, 5725692), (6, 4771410), (7, 4089780), (9, 3180940), (10, 2862846), (12, 2385705), (14, 2044890), (15, 1908564), (18, 1590470), (20, 1431423), (21, 1363260), (28, 1022445), (30, 954282), (35, 817956), (36, 795235), (42, 681630), (45, 636188), (60, 477141), (63, 454420), (70, 408978), (84, 340815), (90, 318094), (105, 272652), (126, 227210), (140, 204489), (180, 159047), (210, 136326), (252, 113605), (315, 90884), (420, 68163), (630, 45442), (1260, 22721)]