28047060

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 91728000

約数和(自身を除く): 63680940

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, 199, 243, 261, 270, 290, 324, 348, 398, 405, 435, 486, 522, 540, 580, 597, 783, 796, 810, 870, 972, 995, 1044, 1194, 1215, 1305, 1566, 1620, 1740, 1791, 1990, 2349, 2388, 2430, 2610, 2985, 3132, 3582, 3915, 3980, 4698, 4860, 5220, 5373, 5771, 5970, 7047, 7164, 7830, 8955, 9396, 10746, 11542, 11745, 11940, 14094, 15660, 16119, 17313, 17910, 21492, 23084, 23490, 26865, 28188, 28855, 32238, 34626, 35235, 35820, 46980, 48357, 51939, 53730, 57710, 64476, 69252, 70470, 80595, 86565, 96714, 103878, 107460, 115420, 140940, 155817, 161190, 173130, 193428, 207756, 241785, 259695, 311634, 322380, 346260, 467451, 483570, 519390, 623268, 779085, 934902, 967140, 1038780, 1402353, 1558170, 1869804, 2337255, 2804706, 3116340, 4674510, 5609412, 7011765, 9349020, 14023530, 28047060]

約数ペア:

[(1, 28047060), (2, 14023530), (3, 9349020), (4, 7011765), (5, 5609412), (6, 4674510), (9, 3116340), (10, 2804706), (12, 2337255), (15, 1869804), (18, 1558170), (20, 1402353), (27, 1038780), (29, 967140), (30, 934902), (36, 779085), (45, 623268), (54, 519390), (58, 483570), (60, 467451), (81, 346260), (87, 322380), (90, 311634), (108, 259695), (116, 241785), (135, 207756), (145, 193428), (162, 173130), (174, 161190), (180, 155817), (199, 140940), (243, 115420), (261, 107460), (270, 103878), (290, 96714), (324, 86565), (348, 80595), (398, 70470), (405, 69252), (435, 64476), (486, 57710), (522, 53730), (540, 51939), (580, 48357), (597, 46980), (783, 35820), (796, 35235), (810, 34626), (870, 32238), (972, 28855), (995, 28188), (1044, 26865), (1194, 23490), (1215, 23084), (1305, 21492), (1566, 17910), (1620, 17313), (1740, 16119), (1791, 15660), (1990, 14094), (2349, 11940), (2388, 11745), (2430, 11542), (2610, 10746), (2985, 9396), (3132, 8955), (3582, 7830), (3915, 7164), (3980, 7047), (4698, 5970), (4860, 5771), (5220, 5373)]