821567460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{45491}}^1$

素因数の和:45553

約数の個数: 96

約数和(自身を含む): 2690214912

約数和(自身を除く): 1868647452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1204, 1290, 1505, 1806, 2580, 3010, 3612, 4515, 6020, 9030, 18060, 45491, 90982, 136473, 181964, 227455, 272946, 318437, 454910, 545892, 636874, 682365, 909820, 955311, 1273748, 1364730, 1592185, 1910622, 1956113, 2729460, 3184370, 3821244, 3912226, 4776555, 5868339, 6368740, 7824452, 9553110, 9780565, 11736678, 13692791, 19106220, 19561130, 23473356, 27385582, 29341695, 39122260, 41078373, 54771164, 58683390, 68463955, 82156746, 117366780, 136927910, 164313492, 205391865, 273855820, 410783730, 821567460]

約数ペア:

[(1, 821567460), (2, 410783730), (3, 273855820), (4, 205391865), (5, 164313492), (6, 136927910), (7, 117366780), (10, 82156746), (12, 68463955), (14, 58683390), (15, 54771164), (20, 41078373), (21, 39122260), (28, 29341695), (30, 27385582), (35, 23473356), (42, 19561130), (43, 19106220), (60, 13692791), (70, 11736678), (84, 9780565), (86, 9553110), (105, 7824452), (129, 6368740), (140, 5868339), (172, 4776555), (210, 3912226), (215, 3821244), (258, 3184370), (301, 2729460), (420, 1956113), (430, 1910622), (516, 1592185), (602, 1364730), (645, 1273748), (860, 955311), (903, 909820), (1204, 682365), (1290, 636874), (1505, 545892), (1806, 454910), (2580, 318437), (3010, 272946), (3612, 227455), (4515, 181964), (6020, 136473), (9030, 90982), (18060, 45491)]