7887312840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{138959}}^1$

素因数の和:139027

約数の個数: 128

約数和(自身を含む): 26413516800

約数和(自身を除く): 18526203960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 516, 645, 660, 860, 946, 1032, 1290, 1320, 1419, 1720, 1892, 2365, 2580, 2838, 3784, 4730, 5160, 5676, 7095, 9460, 11352, 14190, 18920, 28380, 56760, 138959, 277918, 416877, 555836, 694795, 833754, 1111672, 1389590, 1528549, 1667508, 2084385, 2779180, 3057098, 3335016, 4168770, 4585647, 5558360, 5975237, 6114196, 7642745, 8337540, 9171294, 11950474, 12228392, 15285490, 16675080, 17925711, 18342588, 22928235, 23900948, 29876185, 30570980, 35851422, 36685176, 45856470, 47801896, 59752370, 61141960, 65727607, 71702844, 89628555, 91712940, 119504740, 131455214, 143405688, 179257110, 183425880, 197182821, 239009480, 262910428, 328638035, 358514220, 394365642, 525820856, 657276070, 717028440, 788731284, 985914105, 1314552140, 1577462568, 1971828210, 2629104280, 3943656420, 7887312840]

約数ペア:

[(1, 7887312840), (2, 3943656420), (3, 2629104280), (4, 1971828210), (5, 1577462568), (6, 1314552140), (8, 985914105), (10, 788731284), (11, 717028440), (12, 657276070), (15, 525820856), (20, 394365642), (22, 358514220), (24, 328638035), (30, 262910428), (33, 239009480), (40, 197182821), (43, 183425880), (44, 179257110), (55, 143405688), (60, 131455214), (66, 119504740), (86, 91712940), (88, 89628555), (110, 71702844), (120, 65727607), (129, 61141960), (132, 59752370), (165, 47801896), (172, 45856470), (215, 36685176), (220, 35851422), (258, 30570980), (264, 29876185), (330, 23900948), (344, 22928235), (430, 18342588), (440, 17925711), (473, 16675080), (516, 15285490), (645, 12228392), (660, 11950474), (860, 9171294), (946, 8337540), (1032, 7642745), (1290, 6114196), (1320, 5975237), (1419, 5558360), (1720, 4585647), (1892, 4168770), (2365, 3335016), (2580, 3057098), (2838, 2779180), (3784, 2084385), (4730, 1667508), (5160, 1528549), (5676, 1389590), (7095, 1111672), (9460, 833754), (11352, 694795), (14190, 555836), (18920, 416877), (28380, 277918), (56760, 138959)]