77960520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19687}}^1$

素因数の和:19715

約数の個数: 96

約数和(自身を含む): 276419520

約数和(自身を除く): 198459000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 19687, 39374, 59061, 78748, 98435, 118122, 157496, 177183, 196870, 216557, 236244, 295305, 354366, 393740, 433114, 472488, 590610, 649671, 708732, 787480, 866228, 885915, 1082785, 1181220, 1299342, 1417464, 1732456, 1771830, 1949013, 2165570, 2362440, 2598684, 3248355, 3543660, 3898026, 4331140, 5197368, 6496710, 7087320, 7796052, 8662280, 9745065, 12993420, 15592104, 19490130, 25986840, 38980260, 77960520]

約数ペア:

[(1, 77960520), (2, 38980260), (3, 25986840), (4, 19490130), (5, 15592104), (6, 12993420), (8, 9745065), (9, 8662280), (10, 7796052), (11, 7087320), (12, 6496710), (15, 5197368), (18, 4331140), (20, 3898026), (22, 3543660), (24, 3248355), (30, 2598684), (33, 2362440), (36, 2165570), (40, 1949013), (44, 1771830), (45, 1732456), (55, 1417464), (60, 1299342), (66, 1181220), (72, 1082785), (88, 885915), (90, 866228), (99, 787480), (110, 708732), (120, 649671), (132, 590610), (165, 472488), (180, 433114), (198, 393740), (220, 354366), (264, 295305), (330, 236244), (360, 216557), (396, 196870), (440, 177183), (495, 157496), (660, 118122), (792, 98435), (990, 78748), (1320, 59061), (1980, 39374), (3960, 19687)]