18901620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 65318400

約数和(自身を除く): 46416780

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, 71, 85, 87, 90, 102, 108, 116, 135, 142, 145, 153, 170, 174, 180, 204, 213, 255, 261, 270, 284, 290, 306, 340, 348, 355, 426, 435, 459, 493, 510, 522, 540, 580, 612, 639, 710, 765, 783, 852, 870, 918, 986, 1020, 1044, 1065, 1207, 1278, 1305, 1420, 1479, 1530, 1566, 1740, 1836, 1917, 1972, 2059, 2130, 2295, 2414, 2465, 2556, 2610, 2958, 3060, 3132, 3195, 3621, 3834, 3915, 4118, 4260, 4437, 4590, 4828, 4930, 5220, 5916, 6035, 6177, 6390, 7242, 7395, 7668, 7830, 8236, 8874, 9180, 9585, 9860, 10295, 10863, 12070, 12354, 12780, 13311, 14484, 14790, 15660, 17748, 18105, 18531, 19170, 20590, 21726, 22185, 24140, 24708, 26622, 29580, 30885, 32589, 35003, 36210, 37062, 38340, 41180, 43452, 44370, 53244, 54315, 55593, 61770, 65178, 66555, 70006, 72420, 74124, 88740, 92655, 105009, 108630, 111186, 123540, 130356, 133110, 140012, 162945, 175015, 185310, 210018, 217260, 222372, 266220, 277965, 315027, 325890, 350030, 370620, 420036, 525045, 555930, 630054, 651780, 700060, 945081, 1050090, 1111860, 1260108, 1575135, 1890162, 2100180, 3150270, 3780324, 4725405, 6300540, 9450810, 18901620]

約数ペア:

[(1, 18901620), (2, 9450810), (3, 6300540), (4, 4725405), (5, 3780324), (6, 3150270), (9, 2100180), (10, 1890162), (12, 1575135), (15, 1260108), (17, 1111860), (18, 1050090), (20, 945081), (27, 700060), (29, 651780), (30, 630054), (34, 555930), (36, 525045), (45, 420036), (51, 370620), (54, 350030), (58, 325890), (60, 315027), (68, 277965), (71, 266220), (85, 222372), (87, 217260), (90, 210018), (102, 185310), (108, 175015), (116, 162945), (135, 140012), (142, 133110), (145, 130356), (153, 123540), (170, 111186), (174, 108630), (180, 105009), (204, 92655), (213, 88740), (255, 74124), (261, 72420), (270, 70006), (284, 66555), (290, 65178), (306, 61770), (340, 55593), (348, 54315), (355, 53244), (426, 44370), (435, 43452), (459, 41180), (493, 38340), (510, 37062), (522, 36210), (540, 35003), (580, 32589), (612, 30885), (639, 29580), (710, 26622), (765, 24708), (783, 24140), (852, 22185), (870, 21726), (918, 20590), (986, 19170), (1020, 18531), (1044, 18105), (1065, 17748), (1207, 15660), (1278, 14790), (1305, 14484), (1420, 13311), (1479, 12780), (1530, 12354), (1566, 12070), (1740, 10863), (1836, 10295), (1917, 9860), (1972, 9585), (2059, 9180), (2130, 8874), (2295, 8236), (2414, 7830), (2465, 7668), (2556, 7395), (2610, 7242), (2958, 6390), (3060, 6177), (3132, 6035), (3195, 5916), (3621, 5220), (3834, 4930), (3915, 4828), (4118, 4590), (4260, 4437)]