279108180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:520

約数の個数: 240

約数和(自身を含む): 977573520

約数和(自身を除く): 698465340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 36, 39, 45, 52, 54, 58, 60, 65, 78, 81, 87, 90, 108, 116, 117, 130, 135, 145, 156, 162, 174, 180, 195, 234, 260, 261, 270, 290, 324, 348, 351, 377, 390, 405, 435, 457, 468, 522, 540, 580, 585, 702, 754, 780, 783, 810, 870, 914, 1044, 1053, 1131, 1170, 1305, 1371, 1404, 1508, 1566, 1620, 1740, 1755, 1828, 1885, 2106, 2262, 2285, 2340, 2349, 2610, 2742, 3132, 3393, 3510, 3770, 3915, 4113, 4212, 4524, 4570, 4698, 5220, 5265, 5484, 5655, 5941, 6786, 6855, 7020, 7540, 7830, 8226, 9140, 9396, 10179, 10530, 11310, 11745, 11882, 12339, 13253, 13572, 13710, 15660, 16452, 16965, 17823, 20358, 20565, 21060, 22620, 23490, 23764, 24678, 26506, 27420, 29705, 30537, 33930, 35646, 37017, 39759, 40716, 41130, 46980, 49356, 50895, 53012, 53469, 59410, 61074, 61695, 66265, 67860, 71292, 74034, 79518, 82260, 89115, 101790, 106938, 118820, 119277, 122148, 123390, 132530, 148068, 152685, 159036, 160407, 172289, 178230, 185085, 198795, 203580, 213876, 238554, 246780, 265060, 267345, 305370, 320814, 344578, 356460, 357831, 370170, 397590, 477108, 481221, 516867, 534690, 596385, 610740, 641628, 689156, 715662, 740340, 795180, 802035, 861445, 962442, 1033734, 1069380, 1073493, 1192770, 1431324, 1550601, 1604070, 1722890, 1789155, 1924884, 2067468, 2146986, 2385540, 2406105, 2584335, 3101202, 3208140, 3445780, 3578310, 4293972, 4651803, 4812210, 5168670, 5367465, 6202404, 7156620, 7753005, 9303606, 9624420, 10337340, 10734930, 13955409, 15506010, 18607212, 21469860, 23259015, 27910818, 31012020, 46518030, 55821636, 69777045, 93036060, 139554090, 279108180]

約数ペア:

[(1, 279108180), (2, 139554090), (3, 93036060), (4, 69777045), (5, 55821636), (6, 46518030), (9, 31012020), (10, 27910818), (12, 23259015), (13, 21469860), (15, 18607212), (18, 15506010), (20, 13955409), (26, 10734930), (27, 10337340), (29, 9624420), (30, 9303606), (36, 7753005), (39, 7156620), (45, 6202404), (52, 5367465), (54, 5168670), (58, 4812210), (60, 4651803), (65, 4293972), (78, 3578310), (81, 3445780), (87, 3208140), (90, 3101202), (108, 2584335), (116, 2406105), (117, 2385540), (130, 2146986), (135, 2067468), (145, 1924884), (156, 1789155), (162, 1722890), (174, 1604070), (180, 1550601), (195, 1431324), (234, 1192770), (260, 1073493), (261, 1069380), (270, 1033734), (290, 962442), (324, 861445), (348, 802035), (351, 795180), (377, 740340), (390, 715662), (405, 689156), (435, 641628), (457, 610740), (468, 596385), (522, 534690), (540, 516867), (580, 481221), (585, 477108), (702, 397590), (754, 370170), (780, 357831), (783, 356460), (810, 344578), (870, 320814), (914, 305370), (1044, 267345), (1053, 265060), (1131, 246780), (1170, 238554), (1305, 213876), (1371, 203580), (1404, 198795), (1508, 185085), (1566, 178230), (1620, 172289), (1740, 160407), (1755, 159036), (1828, 152685), (1885, 148068), (2106, 132530), (2262, 123390), (2285, 122148), (2340, 119277), (2349, 118820), (2610, 106938), (2742, 101790), (3132, 89115), (3393, 82260), (3510, 79518), (3770, 74034), (3915, 71292), (4113, 67860), (4212, 66265), (4524, 61695), (4570, 61074), (4698, 59410), (5220, 53469), (5265, 53012), (5484, 50895), (5655, 49356), (5941, 46980), (6786, 41130), (6855, 40716), (7020, 39759), (7540, 37017), (7830, 35646), (8226, 33930), (9140, 30537), (9396, 29705), (10179, 27420), (10530, 26506), (11310, 24678), (11745, 23764), (11882, 23490), (12339, 22620), (13253, 21060), (13572, 20565), (13710, 20358), (15660, 17823), (16452, 16965)]