68948460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54721}}^1$

素因数の和:54743

約数の個数: 72

約数和(自身を含む): 239025696

約数和(自身を除く): 170077236

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, 54721, 109442, 164163, 218884, 273605, 328326, 383047, 492489, 547210, 656652, 766094, 820815, 984978, 1094420, 1149141, 1532188, 1641630, 1915235, 1969956, 2298282, 2462445, 3283260, 3447423, 3830470, 4596564, 4924890, 5745705, 6894846, 7660940, 9849780, 11491410, 13789692, 17237115, 22982820, 34474230, 68948460]

約数ペア:

[(1, 68948460), (2, 34474230), (3, 22982820), (4, 17237115), (5, 13789692), (6, 11491410), (7, 9849780), (9, 7660940), (10, 6894846), (12, 5745705), (14, 4924890), (15, 4596564), (18, 3830470), (20, 3447423), (21, 3283260), (28, 2462445), (30, 2298282), (35, 1969956), (36, 1915235), (42, 1641630), (45, 1532188), (60, 1149141), (63, 1094420), (70, 984978), (84, 820815), (90, 766094), (105, 656652), (126, 547210), (140, 492489), (180, 383047), (210, 328326), (252, 273605), (315, 218884), (420, 164163), (630, 109442), (1260, 54721)]