66705660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{2521}}^1$

素因数の和:2553

約数の個数: 144

約数和(自身を含む): 241506720

約数和(自身を除く): 174801060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2521, 2646, 2940, 3780, 4410, 5042, 5292, 6615, 7563, 8820, 10084, 12605, 13230, 15126, 17647, 22689, 25210, 26460, 30252, 35294, 37815, 45378, 50420, 52941, 68067, 70588, 75630, 88235, 90756, 105882, 113445, 123529, 136134, 151260, 158823, 176470, 211764, 226890, 247058, 264705, 272268, 317646, 340335, 352940, 370587, 453780, 476469, 494116, 529410, 617645, 635292, 680670, 741174, 794115, 952938, 1058820, 1111761, 1235290, 1361340, 1482348, 1588230, 1852935, 1905876, 2223522, 2382345, 2470580, 3176460, 3335283, 3705870, 4447044, 4764690, 5558805, 6670566, 7411740, 9529380, 11117610, 13341132, 16676415, 22235220, 33352830, 66705660]

約数ペア:

[(1, 66705660), (2, 33352830), (3, 22235220), (4, 16676415), (5, 13341132), (6, 11117610), (7, 9529380), (9, 7411740), (10, 6670566), (12, 5558805), (14, 4764690), (15, 4447044), (18, 3705870), (20, 3335283), (21, 3176460), (27, 2470580), (28, 2382345), (30, 2223522), (35, 1905876), (36, 1852935), (42, 1588230), (45, 1482348), (49, 1361340), (54, 1235290), (60, 1111761), (63, 1058820), (70, 952938), (84, 794115), (90, 741174), (98, 680670), (105, 635292), (108, 617645), (126, 529410), (135, 494116), (140, 476469), (147, 453780), (180, 370587), (189, 352940), (196, 340335), (210, 317646), (245, 272268), (252, 264705), (270, 247058), (294, 226890), (315, 211764), (378, 176470), (420, 158823), (441, 151260), (490, 136134), (540, 123529), (588, 113445), (630, 105882), (735, 90756), (756, 88235), (882, 75630), (945, 70588), (980, 68067), (1260, 52941), (1323, 50420), (1470, 45378), (1764, 37815), (1890, 35294), (2205, 30252), (2521, 26460), (2646, 25210), (2940, 22689), (3780, 17647), (4410, 15126), (5042, 13230), (5292, 12605), (6615, 10084), (7563, 8820)]