2561257971720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4640969}}^1$

素因数の和:4641069

約数の個数: 256

約数和(自身を含む): 9890835264000

約数和(自身を除く): 7329577292280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 73, 84, 90, 105, 108, 120, 126, 135, 140, 146, 168, 180, 189, 210, 216, 219, 252, 270, 280, 292, 315, 360, 365, 378, 420, 438, 504, 511, 540, 584, 630, 657, 730, 756, 840, 876, 945, 1022, 1080, 1095, 1260, 1314, 1460, 1512, 1533, 1752, 1890, 1971, 2044, 2190, 2520, 2555, 2628, 2920, 3066, 3285, 3780, 3942, 4088, 4380, 4599, 5110, 5256, 6132, 6570, 7560, 7665, 7884, 8760, 9198, 9855, 10220, 12264, 13140, 13797, 15330, 15768, 18396, 19710, 20440, 22995, 26280, 27594, 30660, 36792, 39420, 45990, 55188, 61320, 68985, 78840, 91980, 110376, 137970, 183960, 275940, 551880, 4640969, 9281938, 13922907, 18563876, 23204845, 27845814, 32486783, 37127752, 41768721, 46409690, 55691628, 64973566, 69614535, 83537442, 92819380, 97460349, 111383256, 125306163, 129947132, 139229070, 162433915, 167074884, 185638760, 194920698, 208843605, 250612326, 259894264, 278458140, 292381047, 324867830, 334149768, 338790737, 389841396, 417687210, 487301745, 501224652, 556916280, 584762094, 626530815, 649735660, 677581474, 779682792, 835374420, 877143141, 974603490, 1002449304, 1016372211, 1169524188, 1253061630, 1299471320, 1355162948, 1461905235, 1670748840, 1693953685, 1754286282, 1949206980, 2032744422, 2339048376, 2371535159, 2506123260, 2710325896, 2923810470, 3049116633, 3387907370, 3508572564, 3898413960, 4065488844, 4385715705, 4743070318, 5012246520, 5081861055, 5847620940, 6098233266, 6775814740, 7017145128, 7114605477, 8130977688, 8771431410, 9147349899, 9486140636, 10163722110, 11695241880, 11857675795, 12196466532, 13551629480, 14229210954, 15245583165, 17542862820, 18294699798, 18972281272, 20327444220, 21343816431, 23715351590, 24392933064, 28458421908, 30491166330, 35085725640, 35573027385, 36589399596, 40654888440, 42687632862, 45736749495, 47430703180, 56916843816, 60982332660, 64031449293, 71146054770, 73178799192, 85375265724, 91473498990, 94861406360, 106719082155, 121964665320, 128062898586, 142292109540, 170750531448, 182946997980, 213438164310, 256125797172, 284584219080, 320157246465, 365893995960, 426876328620, 512251594344, 640314492930, 853752657240, 1280628985860, 2561257971720]

約数ペア:

[(1, 2561257971720), (2, 1280628985860), (3, 853752657240), (4, 640314492930), (5, 512251594344), (6, 426876328620), (7, 365893995960), (8, 320157246465), (9, 284584219080), (10, 256125797172), (12, 213438164310), (14, 182946997980), (15, 170750531448), (18, 142292109540), (20, 128062898586), (21, 121964665320), (24, 106719082155), (27, 94861406360), (28, 91473498990), (30, 85375265724), (35, 73178799192), (36, 71146054770), (40, 64031449293), (42, 60982332660), (45, 56916843816), (54, 47430703180), (56, 45736749495), (60, 42687632862), (63, 40654888440), (70, 36589399596), (72, 35573027385), (73, 35085725640), (84, 30491166330), (90, 28458421908), (105, 24392933064), (108, 23715351590), (120, 21343816431), (126, 20327444220), (135, 18972281272), (140, 18294699798), (146, 17542862820), (168, 15245583165), (180, 14229210954), (189, 13551629480), (210, 12196466532), (216, 11857675795), (219, 11695241880), (252, 10163722110), (270, 9486140636), (280, 9147349899), (292, 8771431410), (315, 8130977688), (360, 7114605477), (365, 7017145128), (378, 6775814740), (420, 6098233266), (438, 5847620940), (504, 5081861055), (511, 5012246520), (540, 4743070318), (584, 4385715705), (630, 4065488844), (657, 3898413960), (730, 3508572564), (756, 3387907370), (840, 3049116633), (876, 2923810470), (945, 2710325896), (1022, 2506123260), (1080, 2371535159), (1095, 2339048376), (1260, 2032744422), (1314, 1949206980), (1460, 1754286282), (1512, 1693953685), (1533, 1670748840), (1752, 1461905235), (1890, 1355162948), (1971, 1299471320), (2044, 1253061630), (2190, 1169524188), (2520, 1016372211), (2555, 1002449304), (2628, 974603490), (2920, 877143141), (3066, 835374420), (3285, 779682792), (3780, 677581474), (3942, 649735660), (4088, 626530815), (4380, 584762094), (4599, 556916280), (5110, 501224652), (5256, 487301745), (6132, 417687210), (6570, 389841396), (7560, 338790737), (7665, 334149768), (7884, 324867830), (8760, 292381047), (9198, 278458140), (9855, 259894264), (10220, 250612326), (12264, 208843605), (13140, 194920698), (13797, 185638760), (15330, 167074884), (15768, 162433915), (18396, 139229070), (19710, 129947132), (20440, 125306163), (22995, 111383256), (26280, 97460349), (27594, 92819380), (30660, 83537442), (36792, 69614535), (39420, 64973566), (45990, 55691628), (55188, 46409690), (61320, 41768721), (68985, 37127752), (78840, 32486783), (91980, 27845814), (110376, 23204845), (137970, 18563876), (183960, 13922907), (275940, 9281938), (551880, 4640969)]