256173840

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3041}}^1$

素因数の和:3079

約数の個数: 200

約数和(自身を含む): 958485528

約数和(自身を除く): 702311688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 520, 540, 585, 624, 648, 702, 720, 780, 810, 936, 1040, 1053, 1080, 1170, 1296, 1404, 1560, 1620, 1755, 1872, 2106, 2160, 2340, 2808, 3041, 3120, 3240, 3510, 4212, 4680, 5265, 5616, 6082, 6480, 7020, 8424, 9123, 9360, 10530, 12164, 14040, 15205, 16848, 18246, 21060, 24328, 27369, 28080, 30410, 36492, 39533, 42120, 45615, 48656, 54738, 60820, 72984, 79066, 82107, 84240, 91230, 109476, 118599, 121640, 136845, 145968, 158132, 164214, 182460, 197665, 218952, 237198, 243280, 246321, 273690, 316264, 328428, 355797, 364920, 395330, 410535, 437904, 474396, 492642, 547380, 592995, 632528, 656856, 711594, 729840, 790660, 821070, 948792, 985284, 1067391, 1094760, 1185990, 1231605, 1313712, 1423188, 1581320, 1642140, 1778985, 1897584, 1970568, 2134782, 2189520, 2371980, 2463210, 2846376, 3162640, 3202173, 3284280, 3557970, 3941136, 4269564, 4743960, 4926420, 5336955, 5692752, 6404346, 6568560, 7115940, 8539128, 9487920, 9852840, 10673910, 12808692, 14231880, 16010865, 17078256, 19705680, 21347820, 25617384, 28463760, 32021730, 42695640, 51234768, 64043460, 85391280, 128086920, 256173840]

約数ペア:

[(1, 256173840), (2, 128086920), (3, 85391280), (4, 64043460), (5, 51234768), (6, 42695640), (8, 32021730), (9, 28463760), (10, 25617384), (12, 21347820), (13, 19705680), (15, 17078256), (16, 16010865), (18, 14231880), (20, 12808692), (24, 10673910), (26, 9852840), (27, 9487920), (30, 8539128), (36, 7115940), (39, 6568560), (40, 6404346), (45, 5692752), (48, 5336955), (52, 4926420), (54, 4743960), (60, 4269564), (65, 3941136), (72, 3557970), (78, 3284280), (80, 3202173), (81, 3162640), (90, 2846376), (104, 2463210), (108, 2371980), (117, 2189520), (120, 2134782), (130, 1970568), (135, 1897584), (144, 1778985), (156, 1642140), (162, 1581320), (180, 1423188), (195, 1313712), (208, 1231605), (216, 1185990), (234, 1094760), (240, 1067391), (260, 985284), (270, 948792), (312, 821070), (324, 790660), (351, 729840), (360, 711594), (390, 656856), (405, 632528), (432, 592995), (468, 547380), (520, 492642), (540, 474396), (585, 437904), (624, 410535), (648, 395330), (702, 364920), (720, 355797), (780, 328428), (810, 316264), (936, 273690), (1040, 246321), (1053, 243280), (1080, 237198), (1170, 218952), (1296, 197665), (1404, 182460), (1560, 164214), (1620, 158132), (1755, 145968), (1872, 136845), (2106, 121640), (2160, 118599), (2340, 109476), (2808, 91230), (3041, 84240), (3120, 82107), (3240, 79066), (3510, 72984), (4212, 60820), (4680, 54738), (5265, 48656), (5616, 45615), (6082, 42120), (6480, 39533), (7020, 36492), (8424, 30410), (9123, 28080), (9360, 27369), (10530, 24328), (12164, 21060), (14040, 18246), (15205, 16848)]