31478220

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:171

約数の個数: 168

約数和(自身を含む): 105767424

約数和(自身を除く): 74289204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 127, 135, 153, 162, 170, 180, 204, 243, 254, 255, 270, 306, 324, 340, 381, 405, 459, 486, 508, 510, 540, 612, 635, 729, 762, 765, 810, 918, 972, 1020, 1143, 1215, 1270, 1377, 1458, 1524, 1530, 1620, 1836, 1905, 2159, 2286, 2295, 2430, 2540, 2754, 2916, 3060, 3429, 3645, 3810, 4131, 4318, 4572, 4590, 4860, 5508, 5715, 6477, 6858, 6885, 7290, 7620, 8262, 8636, 9180, 10287, 10795, 11430, 12393, 12954, 13716, 13770, 14580, 16524, 17145, 19431, 20574, 20655, 21590, 22860, 24786, 25908, 27540, 30861, 32385, 34290, 38862, 41148, 41310, 43180, 49572, 51435, 58293, 61722, 61965, 64770, 68580, 77724, 82620, 92583, 97155, 102870, 116586, 123444, 123930, 129540, 154305, 174879, 185166, 194310, 205740, 233172, 247860, 291465, 308610, 349758, 370332, 388620, 462915, 524637, 582930, 617220, 699516, 874395, 925830, 1049274, 1165860, 1573911, 1748790, 1851660, 2098548, 2623185, 3147822, 3497580, 5246370, 6295644, 7869555, 10492740, 15739110, 31478220]

約数ペア:

[(1, 31478220), (2, 15739110), (3, 10492740), (4, 7869555), (5, 6295644), (6, 5246370), (9, 3497580), (10, 3147822), (12, 2623185), (15, 2098548), (17, 1851660), (18, 1748790), (20, 1573911), (27, 1165860), (30, 1049274), (34, 925830), (36, 874395), (45, 699516), (51, 617220), (54, 582930), (60, 524637), (68, 462915), (81, 388620), (85, 370332), (90, 349758), (102, 308610), (108, 291465), (127, 247860), (135, 233172), (153, 205740), (162, 194310), (170, 185166), (180, 174879), (204, 154305), (243, 129540), (254, 123930), (255, 123444), (270, 116586), (306, 102870), (324, 97155), (340, 92583), (381, 82620), (405, 77724), (459, 68580), (486, 64770), (508, 61965), (510, 61722), (540, 58293), (612, 51435), (635, 49572), (729, 43180), (762, 41310), (765, 41148), (810, 38862), (918, 34290), (972, 32385), (1020, 30861), (1143, 27540), (1215, 25908), (1270, 24786), (1377, 22860), (1458, 21590), (1524, 20655), (1530, 20574), (1620, 19431), (1836, 17145), (1905, 16524), (2159, 14580), (2286, 13770), (2295, 13716), (2430, 12954), (2540, 12393), (2754, 11430), (2916, 10795), (3060, 10287), (3429, 9180), (3645, 8636), (3810, 8262), (4131, 7620), (4318, 7290), (4572, 6885), (4590, 6858), (4860, 6477), (5508, 5715)]