40308660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31991}}^1$

素因数の和:32013

約数の個数: 72

約数和(自身を含む): 139741056

約数和(自身を除く): 99432396

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 31991, 63982, 95973, 127964, 159955, 191946, 223937, 287919, 319910, 383892, 447874, 479865, 575838, 639820, 671811, 895748, 959730, 1119685, 1151676, 1343622, 1439595, 1919460, 2015433, 2239370, 2687244, 2879190, 3359055, 4030866, 4478740, 5758380, 6718110, 8061732, 10077165, 13436220, 20154330, 40308660]

約数ペア:

[(1, 40308660), (2, 20154330), (3, 13436220), (4, 10077165), (5, 8061732), (6, 6718110), (7, 5758380), (9, 4478740), (10, 4030866), (12, 3359055), (14, 2879190), (15, 2687244), (18, 2239370), (20, 2015433), (21, 1919460), (28, 1439595), (30, 1343622), (35, 1151676), (36, 1119685), (42, 959730), (45, 895748), (60, 671811), (63, 639820), (70, 575838), (84, 479865), (90, 447874), (105, 383892), (126, 319910), (140, 287919), (180, 223937), (210, 191946), (252, 159955), (315, 127964), (420, 95973), (630, 63982), (1260, 31991)]