28485540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 192

約数和(自身を含む): 97977600

約数和(自身を除く): 69492060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 29, 30, 34, 36, 45, 51, 54, 58, 60, 68, 85, 87, 90, 102, 107, 108, 116, 135, 145, 153, 170, 174, 180, 204, 214, 255, 261, 270, 290, 306, 321, 340, 348, 428, 435, 459, 493, 510, 522, 535, 540, 580, 612, 642, 765, 783, 870, 918, 963, 986, 1020, 1044, 1070, 1284, 1305, 1479, 1530, 1566, 1605, 1740, 1819, 1836, 1926, 1972, 2140, 2295, 2465, 2610, 2889, 2958, 3060, 3103, 3132, 3210, 3638, 3852, 3915, 4437, 4590, 4815, 4930, 5220, 5457, 5778, 5916, 6206, 6420, 7276, 7395, 7830, 8874, 9095, 9180, 9309, 9630, 9860, 10914, 11556, 12412, 13311, 14445, 14790, 15515, 15660, 16371, 17748, 18190, 18618, 19260, 21828, 22185, 26622, 27285, 27927, 28890, 29580, 31030, 32742, 36380, 37236, 44370, 46545, 49113, 52751, 53244, 54570, 55854, 57780, 62060, 65484, 66555, 81855, 83781, 88740, 93090, 98226, 105502, 109140, 111708, 133110, 139635, 158253, 163710, 167562, 186180, 196452, 211004, 245565, 263755, 266220, 279270, 316506, 327420, 335124, 418905, 474759, 491130, 527510, 558540, 633012, 791265, 837810, 949518, 982260, 1055020, 1424277, 1582530, 1675620, 1899036, 2373795, 2848554, 3165060, 4747590, 5697108, 7121385, 9495180, 14242770, 28485540]

約数ペア:

[(1, 28485540), (2, 14242770), (3, 9495180), (4, 7121385), (5, 5697108), (6, 4747590), (9, 3165060), (10, 2848554), (12, 2373795), (15, 1899036), (17, 1675620), (18, 1582530), (20, 1424277), (27, 1055020), (29, 982260), (30, 949518), (34, 837810), (36, 791265), (45, 633012), (51, 558540), (54, 527510), (58, 491130), (60, 474759), (68, 418905), (85, 335124), (87, 327420), (90, 316506), (102, 279270), (107, 266220), (108, 263755), (116, 245565), (135, 211004), (145, 196452), (153, 186180), (170, 167562), (174, 163710), (180, 158253), (204, 139635), (214, 133110), (255, 111708), (261, 109140), (270, 105502), (290, 98226), (306, 93090), (321, 88740), (340, 83781), (348, 81855), (428, 66555), (435, 65484), (459, 62060), (493, 57780), (510, 55854), (522, 54570), (535, 53244), (540, 52751), (580, 49113), (612, 46545), (642, 44370), (765, 37236), (783, 36380), (870, 32742), (918, 31030), (963, 29580), (986, 28890), (1020, 27927), (1044, 27285), (1070, 26622), (1284, 22185), (1305, 21828), (1479, 19260), (1530, 18618), (1566, 18190), (1605, 17748), (1740, 16371), (1819, 15660), (1836, 15515), (1926, 14790), (1972, 14445), (2140, 13311), (2295, 12412), (2465, 11556), (2610, 10914), (2889, 9860), (2958, 9630), (3060, 9309), (3103, 9180), (3132, 9095), (3210, 8874), (3638, 7830), (3852, 7395), (3915, 7276), (4437, 6420), (4590, 6206), (4815, 5916), (4930, 5778), (5220, 5457)]