64646820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51307}}^1$

素因数の和:51329

約数の個数: 72

約数和(自身を含む): 224113344

約数和(自身を除く): 159466524

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, 51307, 102614, 153921, 205228, 256535, 307842, 359149, 461763, 513070, 615684, 718298, 769605, 923526, 1026140, 1077447, 1436596, 1539210, 1795745, 1847052, 2154894, 2308815, 3078420, 3232341, 3591490, 4309788, 4617630, 5387235, 6464682, 7182980, 9235260, 10774470, 12929364, 16161705, 21548940, 32323410, 64646820]

約数ペア:

[(1, 64646820), (2, 32323410), (3, 21548940), (4, 16161705), (5, 12929364), (6, 10774470), (7, 9235260), (9, 7182980), (10, 6464682), (12, 5387235), (14, 4617630), (15, 4309788), (18, 3591490), (20, 3232341), (21, 3078420), (28, 2308815), (30, 2154894), (35, 1847052), (36, 1795745), (42, 1539210), (45, 1436596), (60, 1077447), (63, 1026140), (70, 923526), (84, 769605), (90, 718298), (105, 615684), (126, 513070), (140, 461763), (180, 359149), (210, 307842), (252, 256535), (315, 205228), (420, 153921), (630, 102614), (1260, 51307)]