261029760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{257}}^1$

素因数の和:325

約数の個数: 192

約数和(自身を含む): 873164880

約数和(自身を除く): 612135120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 257, 276, 320, 345, 368, 384, 460, 480, 514, 529, 552, 640, 690, 736, 771, 920, 960, 1028, 1058, 1104, 1285, 1380, 1472, 1542, 1587, 1840, 1920, 2056, 2116, 2208, 2570, 2645, 2760, 2944, 3084, 3174, 3680, 3855, 4112, 4232, 4416, 5140, 5290, 5520, 5911, 6168, 6348, 7360, 7710, 7935, 8224, 8464, 8832, 10280, 10580, 11040, 11822, 12336, 12696, 14720, 15420, 15870, 16448, 16928, 17733, 20560, 21160, 22080, 23644, 24672, 25392, 29555, 30840, 31740, 32896, 33856, 35466, 41120, 42320, 44160, 47288, 49344, 50784, 59110, 61680, 63480, 67712, 70932, 82240, 84640, 88665, 94576, 98688, 101568, 118220, 123360, 126960, 135953, 141864, 164480, 169280, 177330, 189152, 203136, 236440, 246720, 253920, 271906, 283728, 338560, 354660, 378304, 407859, 472880, 493440, 507840, 543812, 567456, 679765, 709320, 756608, 815718, 945760, 1015680, 1087624, 1134912, 1359530, 1418640, 1631436, 1891520, 2039295, 2175248, 2269824, 2719060, 2837280, 3262872, 3783040, 4078590, 4350496, 5438120, 5674560, 6525744, 8157180, 8700992, 10876240, 11349120, 13051488, 16314360, 17401984, 21752480, 26102976, 32628720, 43504960, 52205952, 65257440, 87009920, 130514880, 261029760]

約数ペア:

[(1, 261029760), (2, 130514880), (3, 87009920), (4, 65257440), (5, 52205952), (6, 43504960), (8, 32628720), (10, 26102976), (12, 21752480), (15, 17401984), (16, 16314360), (20, 13051488), (23, 11349120), (24, 10876240), (30, 8700992), (32, 8157180), (40, 6525744), (46, 5674560), (48, 5438120), (60, 4350496), (64, 4078590), (69, 3783040), (80, 3262872), (92, 2837280), (96, 2719060), (115, 2269824), (120, 2175248), (128, 2039295), (138, 1891520), (160, 1631436), (184, 1418640), (192, 1359530), (230, 1134912), (240, 1087624), (257, 1015680), (276, 945760), (320, 815718), (345, 756608), (368, 709320), (384, 679765), (460, 567456), (480, 543812), (514, 507840), (529, 493440), (552, 472880), (640, 407859), (690, 378304), (736, 354660), (771, 338560), (920, 283728), (960, 271906), (1028, 253920), (1058, 246720), (1104, 236440), (1285, 203136), (1380, 189152), (1472, 177330), (1542, 169280), (1587, 164480), (1840, 141864), (1920, 135953), (2056, 126960), (2116, 123360), (2208, 118220), (2570, 101568), (2645, 98688), (2760, 94576), (2944, 88665), (3084, 84640), (3174, 82240), (3680, 70932), (3855, 67712), (4112, 63480), (4232, 61680), (4416, 59110), (5140, 50784), (5290, 49344), (5520, 47288), (5911, 44160), (6168, 42320), (6348, 41120), (7360, 35466), (7710, 33856), (7935, 32896), (8224, 31740), (8464, 30840), (8832, 29555), (10280, 25392), (10580, 24672), (11040, 23644), (11822, 22080), (12336, 21160), (12696, 20560), (14720, 17733), (15420, 16928), (15870, 16448)]