777338520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21521}}^1$

素因数の和:21585

約数の個数: 128

約数和(自身を含む): 2727267840

約数和(自身を除く): 1949929320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 2408, 2580, 3010, 3612, 4515, 5160, 6020, 7224, 9030, 12040, 18060, 21521, 36120, 43042, 64563, 86084, 107605, 129126, 150647, 172168, 215210, 258252, 301294, 322815, 430420, 451941, 516504, 602588, 645630, 753235, 860840, 903882, 925403, 1205176, 1291260, 1506470, 1807764, 1850806, 2259705, 2582520, 2776209, 3012940, 3615528, 3701612, 4519410, 4627015, 5552418, 6025880, 6477821, 7403224, 9038820, 9254030, 11104836, 12955642, 13881045, 18077640, 18508060, 19433463, 22209672, 25911284, 27762090, 32389105, 37016120, 38866926, 51822568, 55524180, 64778210, 77733852, 97167315, 111048360, 129556420, 155467704, 194334630, 259112840, 388669260, 777338520]

約数ペア:

[(1, 777338520), (2, 388669260), (3, 259112840), (4, 194334630), (5, 155467704), (6, 129556420), (7, 111048360), (8, 97167315), (10, 77733852), (12, 64778210), (14, 55524180), (15, 51822568), (20, 38866926), (21, 37016120), (24, 32389105), (28, 27762090), (30, 25911284), (35, 22209672), (40, 19433463), (42, 18508060), (43, 18077640), (56, 13881045), (60, 12955642), (70, 11104836), (84, 9254030), (86, 9038820), (105, 7403224), (120, 6477821), (129, 6025880), (140, 5552418), (168, 4627015), (172, 4519410), (210, 3701612), (215, 3615528), (258, 3012940), (280, 2776209), (301, 2582520), (344, 2259705), (420, 1850806), (430, 1807764), (516, 1506470), (602, 1291260), (645, 1205176), (840, 925403), (860, 903882), (903, 860840), (1032, 753235), (1204, 645630), (1290, 602588), (1505, 516504), (1720, 451941), (1806, 430420), (2408, 322815), (2580, 301294), (3010, 258252), (3612, 215210), (4515, 172168), (5160, 150647), (6020, 129126), (7224, 107605), (9030, 86084), (12040, 64563), (18060, 43042), (21521, 36120)]