66428460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{52721}}^1$

素因数の和:52743

約数の個数: 72

約数和(自身を含む): 230289696

約数和(自身を除く): 163861236

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, 52721, 105442, 158163, 210884, 263605, 316326, 369047, 474489, 527210, 632652, 738094, 790815, 948978, 1054420, 1107141, 1476188, 1581630, 1845235, 1897956, 2214282, 2372445, 3163260, 3321423, 3690470, 4428564, 4744890, 5535705, 6642846, 7380940, 9489780, 11071410, 13285692, 16607115, 22142820, 33214230, 66428460]

約数ペア:

[(1, 66428460), (2, 33214230), (3, 22142820), (4, 16607115), (5, 13285692), (6, 11071410), (7, 9489780), (9, 7380940), (10, 6642846), (12, 5535705), (14, 4744890), (15, 4428564), (18, 3690470), (20, 3321423), (21, 3163260), (28, 2372445), (30, 2214282), (35, 1897956), (36, 1845235), (42, 1581630), (45, 1476188), (60, 1107141), (63, 1054420), (70, 948978), (84, 790815), (90, 738094), (105, 632652), (126, 527210), (140, 474489), (180, 369047), (210, 316326), (252, 263605), (315, 210884), (420, 158163), (630, 105442), (1260, 52721)]