2566520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 6652800

約数和(自身を除く): 4086280

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 307, 380, 418, 440, 614, 760, 836, 1045, 1228, 1535, 1672, 2090, 2456, 3070, 3377, 4180, 5833, 6140, 6754, 8360, 11666, 12280, 13508, 16885, 23332, 27016, 29165, 33770, 46664, 58330, 64163, 67540, 116660, 128326, 135080, 233320, 256652, 320815, 513304, 641630, 1283260, 2566520]

約数ペア:

[(1, 2566520), (2, 1283260), (4, 641630), (5, 513304), (8, 320815), (10, 256652), (11, 233320), (19, 135080), (20, 128326), (22, 116660), (38, 67540), (40, 64163), (44, 58330), (55, 46664), (76, 33770), (88, 29165), (95, 27016), (110, 23332), (152, 16885), (190, 13508), (209, 12280), (220, 11666), (307, 8360), (380, 6754), (418, 6140), (440, 5833), (614, 4180), (760, 3377), (836, 3070), (1045, 2456), (1228, 2090), (1535, 1672)]