80724420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{64067}}^1$

素因数の和:64089

約数の個数: 72

約数和(自身を含む): 279849024

約数和(自身を除く): 199124604

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, 64067, 128134, 192201, 256268, 320335, 384402, 448469, 576603, 640670, 768804, 896938, 961005, 1153206, 1281340, 1345407, 1793876, 1922010, 2242345, 2306412, 2690814, 2883015, 3844020, 4036221, 4484690, 5381628, 5766030, 6727035, 8072442, 8969380, 11532060, 13454070, 16144884, 20181105, 26908140, 40362210, 80724420]

約数ペア:

[(1, 80724420), (2, 40362210), (3, 26908140), (4, 20181105), (5, 16144884), (6, 13454070), (7, 11532060), (9, 8969380), (10, 8072442), (12, 6727035), (14, 5766030), (15, 5381628), (18, 4484690), (20, 4036221), (21, 3844020), (28, 2883015), (30, 2690814), (35, 2306412), (36, 2242345), (42, 1922010), (45, 1793876), (60, 1345407), (63, 1281340), (70, 1153206), (84, 961005), (90, 896938), (105, 768804), (126, 640670), (140, 576603), (180, 448469), (210, 384402), (252, 320335), (315, 256268), (420, 192201), (630, 128134), (1260, 64067)]