381072780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{192461}}^1$

素因数の和:192487

約数の個数: 72

約数和(自身を含む): 1261011024

約数和(自身を除く): 879938244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 192461, 384922, 577383, 769844, 962305, 1154766, 1732149, 1924610, 2117071, 2309532, 2886915, 3464298, 3849220, 4234142, 5773830, 6351213, 6928596, 8468284, 8660745, 10585355, 11547660, 12702426, 17321490, 19053639, 21170710, 25404852, 31756065, 34642980, 38107278, 42341420, 63512130, 76214556, 95268195, 127024260, 190536390, 381072780]

約数ペア:

[(1, 381072780), (2, 190536390), (3, 127024260), (4, 95268195), (5, 76214556), (6, 63512130), (9, 42341420), (10, 38107278), (11, 34642980), (12, 31756065), (15, 25404852), (18, 21170710), (20, 19053639), (22, 17321490), (30, 12702426), (33, 11547660), (36, 10585355), (44, 8660745), (45, 8468284), (55, 6928596), (60, 6351213), (66, 5773830), (90, 4234142), (99, 3849220), (110, 3464298), (132, 2886915), (165, 2309532), (180, 2117071), (198, 1924610), (220, 1732149), (330, 1154766), (396, 962305), (495, 769844), (660, 577383), (990, 384922), (1980, 192461)]