261821607424

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{30949}}^1$

素因数の和:31052

約数の個数: 160

約数和(自身を含む): 595749369600

約数和(自身を除く): 333927762176

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 41, 52, 62, 64, 82, 104, 124, 128, 164, 208, 248, 256, 328, 403, 416, 496, 512, 533, 656, 806, 832, 992, 1066, 1271, 1312, 1612, 1664, 1984, 2132, 2542, 2624, 3224, 3328, 3968, 4264, 5084, 5248, 6448, 6656, 7936, 8528, 10168, 10496, 12896, 15872, 16523, 17056, 20336, 20992, 25792, 30949, 33046, 34112, 40672, 51584, 61898, 66092, 68224, 81344, 103168, 123796, 132184, 136448, 162688, 206336, 247592, 264368, 272896, 325376, 402337, 495184, 528736, 650752, 804674, 959419, 990368, 1057472, 1268909, 1609348, 1918838, 1980736, 2114944, 2537818, 3218696, 3837676, 3961472, 4229888, 5075636, 6437392, 7675352, 7922944, 8459776, 10151272, 12472447, 12874784, 15350704, 15845888, 16495817, 20302544, 24944894, 25749568, 30701408, 32991634, 39336179, 40605088, 49889788, 51499136, 61402816, 65983268, 78672358, 81210176, 99779576, 102998272, 122805632, 131966536, 157344716, 162420352, 199559152, 205996544, 245611264, 263933072, 314689432, 324840704, 399118304, 491222528, 511370327, 527866144, 629378864, 649681408, 798236608, 1022740654, 1055732288, 1258757728, 1596473216, 2045481308, 2111464576, 2517515456, 3192946432, 4090962616, 4222929152, 5035030912, 6385892864, 8181925232, 8445858304, 10070061824, 16363850464, 20140123648, 32727700928, 65455401856, 130910803712, 261821607424]

約数ペア:

[(1, 261821607424), (2, 130910803712), (4, 65455401856), (8, 32727700928), (13, 20140123648), (16, 16363850464), (26, 10070061824), (31, 8445858304), (32, 8181925232), (41, 6385892864), (52, 5035030912), (62, 4222929152), (64, 4090962616), (82, 3192946432), (104, 2517515456), (124, 2111464576), (128, 2045481308), (164, 1596473216), (208, 1258757728), (248, 1055732288), (256, 1022740654), (328, 798236608), (403, 649681408), (416, 629378864), (496, 527866144), (512, 511370327), (533, 491222528), (656, 399118304), (806, 324840704), (832, 314689432), (992, 263933072), (1066, 245611264), (1271, 205996544), (1312, 199559152), (1612, 162420352), (1664, 157344716), (1984, 131966536), (2132, 122805632), (2542, 102998272), (2624, 99779576), (3224, 81210176), (3328, 78672358), (3968, 65983268), (4264, 61402816), (5084, 51499136), (5248, 49889788), (6448, 40605088), (6656, 39336179), (7936, 32991634), (8528, 30701408), (10168, 25749568), (10496, 24944894), (12896, 20302544), (15872, 16495817), (16523, 15845888), (17056, 15350704), (20336, 12874784), (20992, 12472447), (25792, 10151272), (30949, 8459776), (33046, 7922944), (34112, 7675352), (40672, 6437392), (51584, 5075636), (61898, 4229888), (66092, 3961472), (68224, 3837676), (81344, 3218696), (103168, 2537818), (123796, 2114944), (132184, 1980736), (136448, 1918838), (162688, 1609348), (206336, 1268909), (247592, 1057472), (264368, 990368), (272896, 959419), (325376, 804674), (402337, 650752), (495184, 528736)]