247331480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1831}}^1$

素因数の和:2160

約数の個数: 64

約数和(自身を含む): 609396480

約数和(自身を除く): 362065000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 307, 440, 614, 1228, 1535, 1831, 2456, 3070, 3377, 3662, 6140, 6754, 7324, 9155, 12280, 13508, 14648, 16885, 18310, 20141, 27016, 33770, 36620, 40282, 67540, 73240, 80564, 100705, 135080, 161128, 201410, 402820, 562117, 805640, 1124234, 2248468, 2810585, 4496936, 5621170, 6183287, 11242340, 12366574, 22484680, 24733148, 30916435, 49466296, 61832870, 123665740, 247331480]

約数ペア:

[(1, 247331480), (2, 123665740), (4, 61832870), (5, 49466296), (8, 30916435), (10, 24733148), (11, 22484680), (20, 12366574), (22, 11242340), (40, 6183287), (44, 5621170), (55, 4496936), (88, 2810585), (110, 2248468), (220, 1124234), (307, 805640), (440, 562117), (614, 402820), (1228, 201410), (1535, 161128), (1831, 135080), (2456, 100705), (3070, 80564), (3377, 73240), (3662, 67540), (6140, 40282), (6754, 36620), (7324, 33770), (9155, 27016), (12280, 20141), (13508, 18310), (14648, 16885)]