53788140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{42689}}^1$

素因数の和:42711

約数の個数: 72

約数和(自身を含む): 186469920

約数和(自身を除く): 132681780

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, 42689, 85378, 128067, 170756, 213445, 256134, 298823, 384201, 426890, 512268, 597646, 640335, 768402, 853780, 896469, 1195292, 1280670, 1494115, 1536804, 1792938, 1921005, 2561340, 2689407, 2988230, 3585876, 3842010, 4482345, 5378814, 5976460, 7684020, 8964690, 10757628, 13447035, 17929380, 26894070, 53788140]

約数ペア:

[(1, 53788140), (2, 26894070), (3, 17929380), (4, 13447035), (5, 10757628), (6, 8964690), (7, 7684020), (9, 5976460), (10, 5378814), (12, 4482345), (14, 3842010), (15, 3585876), (18, 2988230), (20, 2689407), (21, 2561340), (28, 1921005), (30, 1792938), (35, 1536804), (36, 1494115), (42, 1280670), (45, 1195292), (60, 896469), (63, 853780), (70, 768402), (84, 640335), (90, 597646), (105, 512268), (126, 426890), (140, 384201), (180, 298823), (210, 256134), (252, 213445), (315, 170756), (420, 128067), (630, 85378), (1260, 42689)]