61777980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:828

約数の個数: 144

約数和(自身を含む): 209690208

約数和(自身を除く): 147912228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 41, 44, 45, 55, 60, 66, 82, 90, 99, 110, 123, 132, 164, 165, 180, 198, 205, 220, 246, 330, 369, 396, 410, 451, 492, 495, 615, 660, 738, 761, 820, 902, 990, 1230, 1353, 1476, 1522, 1804, 1845, 1980, 2255, 2283, 2460, 2706, 3044, 3690, 3805, 4059, 4510, 4566, 5412, 6765, 6849, 7380, 7610, 8118, 8371, 9020, 9132, 11415, 13530, 13698, 15220, 16236, 16742, 20295, 22830, 25113, 27060, 27396, 31201, 33484, 34245, 40590, 41855, 45660, 50226, 62402, 68490, 75339, 81180, 83710, 93603, 100452, 124804, 125565, 136980, 150678, 156005, 167420, 187206, 251130, 280809, 301356, 312010, 343211, 374412, 376695, 468015, 502260, 561618, 624020, 686422, 753390, 936030, 1029633, 1123236, 1372844, 1404045, 1506780, 1716055, 1872060, 2059266, 2808090, 3088899, 3432110, 4118532, 5148165, 5616180, 6177798, 6864220, 10296330, 12355596, 15444495, 20592660, 30888990, 61777980]

約数ペア:

[(1, 61777980), (2, 30888990), (3, 20592660), (4, 15444495), (5, 12355596), (6, 10296330), (9, 6864220), (10, 6177798), (11, 5616180), (12, 5148165), (15, 4118532), (18, 3432110), (20, 3088899), (22, 2808090), (30, 2059266), (33, 1872060), (36, 1716055), (41, 1506780), (44, 1404045), (45, 1372844), (55, 1123236), (60, 1029633), (66, 936030), (82, 753390), (90, 686422), (99, 624020), (110, 561618), (123, 502260), (132, 468015), (164, 376695), (165, 374412), (180, 343211), (198, 312010), (205, 301356), (220, 280809), (246, 251130), (330, 187206), (369, 167420), (396, 156005), (410, 150678), (451, 136980), (492, 125565), (495, 124804), (615, 100452), (660, 93603), (738, 83710), (761, 81180), (820, 75339), (902, 68490), (990, 62402), (1230, 50226), (1353, 45660), (1476, 41855), (1522, 40590), (1804, 34245), (1845, 33484), (1980, 31201), (2255, 27396), (2283, 27060), (2460, 25113), (2706, 22830), (3044, 20295), (3690, 16742), (3805, 16236), (4059, 15220), (4510, 13698), (4566, 13530), (5412, 11415), (6765, 9132), (6849, 9020), (7380, 8371), (7610, 8118)]