30612780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15461}}^1$

素因数の和:15487

約数の個数: 72

約数和(自身を含む): 101307024

約数和(自身を除く): 70694244

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, 15461, 30922, 46383, 61844, 77305, 92766, 139149, 154610, 170071, 185532, 231915, 278298, 309220, 340142, 463830, 510213, 556596, 680284, 695745, 850355, 927660, 1020426, 1391490, 1530639, 1700710, 2040852, 2551065, 2782980, 3061278, 3401420, 5102130, 6122556, 7653195, 10204260, 15306390, 30612780]

約数ペア:

[(1, 30612780), (2, 15306390), (3, 10204260), (4, 7653195), (5, 6122556), (6, 5102130), (9, 3401420), (10, 3061278), (11, 2782980), (12, 2551065), (15, 2040852), (18, 1700710), (20, 1530639), (22, 1391490), (30, 1020426), (33, 927660), (36, 850355), (44, 695745), (45, 680284), (55, 556596), (60, 510213), (66, 463830), (90, 340142), (99, 309220), (110, 278298), (132, 231915), (165, 185532), (180, 170071), (198, 154610), (220, 139149), (330, 92766), (396, 77305), (495, 61844), (660, 46383), (990, 30922), (1980, 15461)]