204654780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2521}}^1$

素因数の和:2588

約数の個数: 144

約数和(自身を含む): 694014048

約数和(自身を除く): 489359268

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, 820, 902, 990, 1230, 1353, 1476, 1804, 1845, 1980, 2255, 2460, 2521, 2706, 3690, 4059, 4510, 5042, 5412, 6765, 7380, 7563, 8118, 9020, 10084, 12605, 13530, 15126, 16236, 20295, 22689, 25210, 27060, 27731, 30252, 37815, 40590, 45378, 50420, 55462, 75630, 81180, 83193, 90756, 103361, 110924, 113445, 138655, 151260, 166386, 206722, 226890, 249579, 277310, 310083, 332772, 413444, 415965, 453780, 499158, 516805, 554620, 620166, 831930, 930249, 998316, 1033610, 1136971, 1240332, 1247895, 1550415, 1663860, 1860498, 2067220, 2273942, 2495790, 3100830, 3410913, 3720996, 4547884, 4651245, 4991580, 5684855, 6201660, 6821826, 9302490, 10232739, 11369710, 13643652, 17054565, 18604980, 20465478, 22739420, 34109130, 40930956, 51163695, 68218260, 102327390, 204654780]

約数ペア:

[(1, 204654780), (2, 102327390), (3, 68218260), (4, 51163695), (5, 40930956), (6, 34109130), (9, 22739420), (10, 20465478), (11, 18604980), (12, 17054565), (15, 13643652), (18, 11369710), (20, 10232739), (22, 9302490), (30, 6821826), (33, 6201660), (36, 5684855), (41, 4991580), (44, 4651245), (45, 4547884), (55, 3720996), (60, 3410913), (66, 3100830), (82, 2495790), (90, 2273942), (99, 2067220), (110, 1860498), (123, 1663860), (132, 1550415), (164, 1247895), (165, 1240332), (180, 1136971), (198, 1033610), (205, 998316), (220, 930249), (246, 831930), (330, 620166), (369, 554620), (396, 516805), (410, 499158), (451, 453780), (492, 415965), (495, 413444), (615, 332772), (660, 310083), (738, 277310), (820, 249579), (902, 226890), (990, 206722), (1230, 166386), (1353, 151260), (1476, 138655), (1804, 113445), (1845, 110924), (1980, 103361), (2255, 90756), (2460, 83193), (2521, 81180), (2706, 75630), (3690, 55462), (4059, 50420), (4510, 45378), (5042, 40590), (5412, 37815), (6765, 30252), (7380, 27731), (7563, 27060), (8118, 25210), (9020, 22689), (10084, 20295), (12605, 16236), (13530, 15126)]