18487920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 160

約数和(自身を含む): 64281600

約数和(自身を除く): 45793680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 47, 48, 55, 60, 66, 80, 88, 94, 110, 120, 132, 141, 149, 165, 176, 188, 220, 235, 240, 264, 282, 298, 330, 376, 440, 447, 470, 517, 528, 564, 596, 660, 705, 745, 752, 880, 894, 940, 1034, 1128, 1192, 1320, 1410, 1490, 1551, 1639, 1788, 1880, 2068, 2235, 2256, 2384, 2585, 2640, 2820, 2980, 3102, 3278, 3576, 3760, 4136, 4470, 4917, 5170, 5640, 5960, 6204, 6556, 7003, 7152, 7755, 8195, 8272, 8940, 9834, 10340, 11280, 11920, 12408, 13112, 14006, 15510, 16390, 17880, 19668, 20680, 21009, 24585, 24816, 26224, 28012, 31020, 32780, 35015, 35760, 39336, 41360, 42018, 49170, 56024, 62040, 65560, 70030, 77033, 78672, 84036, 98340, 105045, 112048, 124080, 131120, 140060, 154066, 168072, 196680, 210090, 231099, 280120, 308132, 336144, 385165, 393360, 420180, 462198, 560240, 616264, 770330, 840360, 924396, 1155495, 1232528, 1540660, 1680720, 1848792, 2310990, 3081320, 3697584, 4621980, 6162640, 9243960, 18487920]

約数ペア:

[(1, 18487920), (2, 9243960), (3, 6162640), (4, 4621980), (5, 3697584), (6, 3081320), (8, 2310990), (10, 1848792), (11, 1680720), (12, 1540660), (15, 1232528), (16, 1155495), (20, 924396), (22, 840360), (24, 770330), (30, 616264), (33, 560240), (40, 462198), (44, 420180), (47, 393360), (48, 385165), (55, 336144), (60, 308132), (66, 280120), (80, 231099), (88, 210090), (94, 196680), (110, 168072), (120, 154066), (132, 140060), (141, 131120), (149, 124080), (165, 112048), (176, 105045), (188, 98340), (220, 84036), (235, 78672), (240, 77033), (264, 70030), (282, 65560), (298, 62040), (330, 56024), (376, 49170), (440, 42018), (447, 41360), (470, 39336), (517, 35760), (528, 35015), (564, 32780), (596, 31020), (660, 28012), (705, 26224), (745, 24816), (752, 24585), (880, 21009), (894, 20680), (940, 19668), (1034, 17880), (1128, 16390), (1192, 15510), (1320, 14006), (1410, 13112), (1490, 12408), (1551, 11920), (1639, 11280), (1788, 10340), (1880, 9834), (2068, 8940), (2235, 8272), (2256, 8195), (2384, 7755), (2585, 7152), (2640, 7003), (2820, 6556), (2980, 6204), (3102, 5960), (3278, 5640), (3576, 5170), (3760, 4917), (4136, 4470)]