15880822760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{508349}}^1$

素因数の和:508442

約数の個数: 64

約数和(自身を含む): 39529296000

約数和(自身を除く): 23648473240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3905, 6248, 7810, 15620, 31240, 508349, 1016698, 2033396, 2541745, 4066792, 5083490, 5591839, 10166980, 11183678, 20333960, 22367356, 27959195, 36092779, 44734712, 55918390, 72185558, 111836780, 144371116, 180463895, 223673560, 288742232, 360927790, 397020569, 721855580, 794041138, 1443711160, 1588082276, 1985102845, 3176164552, 3970205690, 7940411380, 15880822760]

約数ペア:

[(1, 15880822760), (2, 7940411380), (4, 3970205690), (5, 3176164552), (8, 1985102845), (10, 1588082276), (11, 1443711160), (20, 794041138), (22, 721855580), (40, 397020569), (44, 360927790), (55, 288742232), (71, 223673560), (88, 180463895), (110, 144371116), (142, 111836780), (220, 72185558), (284, 55918390), (355, 44734712), (440, 36092779), (568, 27959195), (710, 22367356), (781, 20333960), (1420, 11183678), (1562, 10166980), (2840, 5591839), (3124, 5083490), (3905, 4066792), (6248, 2541745), (7810, 2033396), (15620, 1016698), (31240, 508349)]