17815160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2172

約数の個数: 64

約数和(自身を含む): 46051200

約数和(自身を除く): 28236040

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, 380, 418, 440, 760, 836, 1045, 1672, 2090, 2131, 4180, 4262, 8360, 8524, 10655, 17048, 21310, 23441, 40489, 42620, 46882, 80978, 85240, 93764, 117205, 161956, 187528, 202445, 234410, 323912, 404890, 445379, 468820, 809780, 890758, 937640, 1619560, 1781516, 2226895, 3563032, 4453790, 8907580, 17815160]

約数ペア:

[(1, 17815160), (2, 8907580), (4, 4453790), (5, 3563032), (8, 2226895), (10, 1781516), (11, 1619560), (19, 937640), (20, 890758), (22, 809780), (38, 468820), (40, 445379), (44, 404890), (55, 323912), (76, 234410), (88, 202445), (95, 187528), (110, 161956), (152, 117205), (190, 93764), (209, 85240), (220, 80978), (380, 46882), (418, 42620), (440, 40489), (760, 23441), (836, 21310), (1045, 17048), (1672, 10655), (2090, 8524), (2131, 8360), (4180, 4262)]