64986180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:809

約数の個数: 96

約数和(自身を含む): 209018880

約数和(自身を除く): 144032700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 359, 420, 431, 718, 862, 1077, 1293, 1436, 1724, 1795, 2154, 2155, 2513, 2586, 3017, 3590, 4308, 4310, 5026, 5172, 5385, 6034, 6465, 7180, 7539, 8620, 9051, 10052, 10770, 12068, 12565, 12930, 15078, 15085, 18102, 21540, 25130, 25860, 30156, 30170, 36204, 37695, 45255, 50260, 60340, 75390, 90510, 150780, 154729, 181020, 309458, 464187, 618916, 773645, 928374, 1083103, 1547290, 1856748, 2166206, 2320935, 3094580, 3249309, 4332412, 4641870, 5415515, 6498618, 9283740, 10831030, 12997236, 16246545, 21662060, 32493090, 64986180]

約数ペア:

[(1, 64986180), (2, 32493090), (3, 21662060), (4, 16246545), (5, 12997236), (6, 10831030), (7, 9283740), (10, 6498618), (12, 5415515), (14, 4641870), (15, 4332412), (20, 3249309), (21, 3094580), (28, 2320935), (30, 2166206), (35, 1856748), (42, 1547290), (60, 1083103), (70, 928374), (84, 773645), (105, 618916), (140, 464187), (210, 309458), (359, 181020), (420, 154729), (431, 150780), (718, 90510), (862, 75390), (1077, 60340), (1293, 50260), (1436, 45255), (1724, 37695), (1795, 36204), (2154, 30170), (2155, 30156), (2513, 25860), (2586, 25130), (3017, 21540), (3590, 18102), (4308, 15085), (4310, 15078), (5026, 12930), (5172, 12565), (5385, 12068), (6034, 10770), (6465, 10052), (7180, 9051), (7539, 8620)]