215928640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21767}}^1$

素因数の和:21815

約数の個数: 56

約数和(自身を含む): 530790912

約数和(自身を除く): 314862272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 21767, 43534, 87068, 108835, 174136, 217670, 348272, 435340, 674777, 696544, 870680, 1349554, 1393088, 1741360, 2699108, 3373885, 3482720, 5398216, 6747770, 6965440, 10796432, 13495540, 21592864, 26991080, 43185728, 53982160, 107964320, 215928640]

約数ペア:

[(1, 215928640), (2, 107964320), (4, 53982160), (5, 43185728), (8, 26991080), (10, 21592864), (16, 13495540), (20, 10796432), (31, 6965440), (32, 6747770), (40, 5398216), (62, 3482720), (64, 3373885), (80, 2699108), (124, 1741360), (155, 1393088), (160, 1349554), (248, 870680), (310, 696544), (320, 674777), (496, 435340), (620, 348272), (992, 217670), (1240, 174136), (1984, 108835), (2480, 87068), (4960, 43534), (9920, 21767)]