18562236080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1\times {\mathrm{6869}}^1$

素因数の和:8886

約数の個数: 80

約数和(自身を含む): 45725510880

約数和(自身を除く): 27163274800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1987, 3974, 6869, 7948, 9935, 13738, 15896, 19870, 27476, 31792, 33779, 34345, 39740, 54952, 67558, 68690, 79480, 109904, 116773, 135116, 137380, 158960, 168895, 233546, 270232, 274760, 337790, 467092, 540464, 549520, 583865, 675580, 934184, 1167730, 1351160, 1868368, 2335460, 2702320, 4670920, 9341840, 13648703, 27297406, 54594812, 68243515, 109189624, 136487030, 218379248, 232027951, 272974060, 464055902, 545948120, 928111804, 1091896240, 1160139755, 1856223608, 2320279510, 3712447216, 4640559020, 9281118040, 18562236080]

約数ペア:

[(1, 18562236080), (2, 9281118040), (4, 4640559020), (5, 3712447216), (8, 2320279510), (10, 1856223608), (16, 1160139755), (17, 1091896240), (20, 928111804), (34, 545948120), (40, 464055902), (68, 272974060), (80, 232027951), (85, 218379248), (136, 136487030), (170, 109189624), (272, 68243515), (340, 54594812), (680, 27297406), (1360, 13648703), (1987, 9341840), (3974, 4670920), (6869, 2702320), (7948, 2335460), (9935, 1868368), (13738, 1351160), (15896, 1167730), (19870, 934184), (27476, 675580), (31792, 583865), (33779, 549520), (34345, 540464), (39740, 467092), (54952, 337790), (67558, 274760), (68690, 270232), (79480, 233546), (109904, 168895), (116773, 158960), (135116, 137380)]