81657800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 192

約数和(自身を含む): 237841920

約数和(自身を除く): 156184120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 47, 50, 56, 68, 70, 73, 85, 94, 100, 119, 136, 140, 146, 170, 175, 188, 200, 235, 238, 280, 292, 329, 340, 350, 365, 376, 425, 470, 476, 511, 584, 595, 658, 680, 700, 730, 799, 850, 940, 952, 1022, 1175, 1190, 1241, 1316, 1400, 1460, 1598, 1645, 1700, 1825, 1880, 2044, 2350, 2380, 2482, 2555, 2632, 2920, 2975, 3196, 3290, 3400, 3431, 3650, 3995, 4088, 4700, 4760, 4964, 5110, 5593, 5950, 6205, 6392, 6580, 6862, 7300, 7990, 8225, 8687, 9400, 9928, 10220, 11186, 11900, 12410, 12775, 13160, 13724, 14600, 15980, 16450, 17155, 17374, 19975, 20440, 22372, 23800, 24017, 24820, 25550, 27448, 27965, 31025, 31960, 32900, 34310, 34748, 39950, 43435, 44744, 48034, 49640, 51100, 55930, 58327, 62050, 65800, 68620, 69496, 79900, 85775, 86870, 96068, 102200, 111860, 116654, 120085, 124100, 137240, 139825, 159800, 171550, 173740, 192136, 217175, 223720, 233308, 240170, 248200, 279650, 291635, 343100, 347480, 408289, 434350, 466616, 480340, 559300, 583270, 600425, 686200, 816578, 868700, 960680, 1118600, 1166540, 1200850, 1458175, 1633156, 1737400, 2041445, 2333080, 2401700, 2916350, 3266312, 4082890, 4803400, 5832700, 8165780, 10207225, 11665400, 16331560, 20414450, 40828900, 81657800]

約数ペア:

[(1, 81657800), (2, 40828900), (4, 20414450), (5, 16331560), (7, 11665400), (8, 10207225), (10, 8165780), (14, 5832700), (17, 4803400), (20, 4082890), (25, 3266312), (28, 2916350), (34, 2401700), (35, 2333080), (40, 2041445), (47, 1737400), (50, 1633156), (56, 1458175), (68, 1200850), (70, 1166540), (73, 1118600), (85, 960680), (94, 868700), (100, 816578), (119, 686200), (136, 600425), (140, 583270), (146, 559300), (170, 480340), (175, 466616), (188, 434350), (200, 408289), (235, 347480), (238, 343100), (280, 291635), (292, 279650), (329, 248200), (340, 240170), (350, 233308), (365, 223720), (376, 217175), (425, 192136), (470, 173740), (476, 171550), (511, 159800), (584, 139825), (595, 137240), (658, 124100), (680, 120085), (700, 116654), (730, 111860), (799, 102200), (850, 96068), (940, 86870), (952, 85775), (1022, 79900), (1175, 69496), (1190, 68620), (1241, 65800), (1316, 62050), (1400, 58327), (1460, 55930), (1598, 51100), (1645, 49640), (1700, 48034), (1825, 44744), (1880, 43435), (2044, 39950), (2350, 34748), (2380, 34310), (2482, 32900), (2555, 31960), (2632, 31025), (2920, 27965), (2975, 27448), (3196, 25550), (3290, 24820), (3400, 24017), (3431, 23800), (3650, 22372), (3995, 20440), (4088, 19975), (4700, 17374), (4760, 17155), (4964, 16450), (5110, 15980), (5593, 14600), (5950, 13724), (6205, 13160), (6392, 12775), (6580, 12410), (6862, 11900), (7300, 11186), (7990, 10220), (8225, 9928), (8687, 9400)]