15721311220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1583}}^1\times {\mathrm{17123}}^1$

素因数の和:18744

約数の個数: 48

約数和(自身を含む): 34176764160

約数和(自身を除く): 18455452940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1583, 3166, 6332, 7915, 15830, 17123, 31660, 34246, 45907, 68492, 85615, 91814, 171230, 183628, 229535, 342460, 459070, 496567, 918140, 993134, 1986268, 2482835, 4965670, 9931340, 27105709, 54211418, 108422836, 135528545, 271057090, 542114180, 786065561, 1572131122, 3144262244, 3930327805, 7860655610, 15721311220]

約数ペア:

[(1, 15721311220), (2, 7860655610), (4, 3930327805), (5, 3144262244), (10, 1572131122), (20, 786065561), (29, 542114180), (58, 271057090), (116, 135528545), (145, 108422836), (290, 54211418), (580, 27105709), (1583, 9931340), (3166, 4965670), (6332, 2482835), (7915, 1986268), (15830, 993134), (17123, 918140), (31660, 496567), (34246, 459070), (45907, 342460), (68492, 229535), (85615, 183628), (91814, 171230)]