87765160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1021}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 226638720

約数和(自身を除く): 138873560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 1021, 1228, 1535, 2042, 2149, 2456, 3070, 4084, 4298, 5105, 6140, 7147, 8168, 8596, 10210, 10745, 12280, 14294, 17192, 20420, 21490, 28588, 35735, 40840, 42980, 57176, 71470, 85960, 142940, 285880, 313447, 626894, 1253788, 1567235, 2194129, 2507576, 3134470, 4388258, 6268940, 8776516, 10970645, 12537880, 17553032, 21941290, 43882580, 87765160]

約数ペア:

[(1, 87765160), (2, 43882580), (4, 21941290), (5, 17553032), (7, 12537880), (8, 10970645), (10, 8776516), (14, 6268940), (20, 4388258), (28, 3134470), (35, 2507576), (40, 2194129), (56, 1567235), (70, 1253788), (140, 626894), (280, 313447), (307, 285880), (614, 142940), (1021, 85960), (1228, 71470), (1535, 57176), (2042, 42980), (2149, 40840), (2456, 35735), (3070, 28588), (4084, 21490), (4298, 20420), (5105, 17192), (6140, 14294), (7147, 12280), (8168, 10745), (8596, 10210)]