27765180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 90810720

約数和(自身を除く): 63045540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 197, 243, 261, 270, 290, 324, 348, 394, 405, 435, 486, 522, 540, 580, 591, 783, 788, 810, 870, 972, 985, 1044, 1182, 1215, 1305, 1566, 1620, 1740, 1773, 1970, 2349, 2364, 2430, 2610, 2955, 3132, 3546, 3915, 3940, 4698, 4860, 5220, 5319, 5713, 5910, 7047, 7092, 7830, 8865, 9396, 10638, 11426, 11745, 11820, 14094, 15660, 15957, 17139, 17730, 21276, 22852, 23490, 26595, 28188, 28565, 31914, 34278, 35235, 35460, 46980, 47871, 51417, 53190, 57130, 63828, 68556, 70470, 79785, 85695, 95742, 102834, 106380, 114260, 140940, 154251, 159570, 171390, 191484, 205668, 239355, 257085, 308502, 319140, 342780, 462753, 478710, 514170, 617004, 771255, 925506, 957420, 1028340, 1388259, 1542510, 1851012, 2313765, 2776518, 3085020, 4627530, 5553036, 6941295, 9255060, 13882590, 27765180]

約数ペア:

[(1, 27765180), (2, 13882590), (3, 9255060), (4, 6941295), (5, 5553036), (6, 4627530), (9, 3085020), (10, 2776518), (12, 2313765), (15, 1851012), (18, 1542510), (20, 1388259), (27, 1028340), (29, 957420), (30, 925506), (36, 771255), (45, 617004), (54, 514170), (58, 478710), (60, 462753), (81, 342780), (87, 319140), (90, 308502), (108, 257085), (116, 239355), (135, 205668), (145, 191484), (162, 171390), (174, 159570), (180, 154251), (197, 140940), (243, 114260), (261, 106380), (270, 102834), (290, 95742), (324, 85695), (348, 79785), (394, 70470), (405, 68556), (435, 63828), (486, 57130), (522, 53190), (540, 51417), (580, 47871), (591, 46980), (783, 35460), (788, 35235), (810, 34278), (870, 31914), (972, 28565), (985, 28188), (1044, 26595), (1182, 23490), (1215, 22852), (1305, 21276), (1566, 17730), (1620, 17139), (1740, 15957), (1773, 15660), (1970, 14094), (2349, 11820), (2364, 11745), (2430, 11426), (2610, 10638), (2955, 9396), (3132, 8865), (3546, 7830), (3915, 7092), (3940, 7047), (4698, 5910), (4860, 5713), (5220, 5319)]