251372880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1867}}^1$

素因数の和:1914

約数の個数: 240

約数和(自身を含む): 975633984

約数和(自身を除く): 724261104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 66, 68, 72, 80, 85, 88, 90, 99, 102, 110, 120, 132, 136, 144, 153, 165, 170, 176, 180, 187, 198, 204, 220, 240, 255, 264, 272, 306, 330, 340, 360, 374, 396, 408, 440, 495, 510, 528, 561, 612, 660, 680, 720, 748, 765, 792, 816, 880, 935, 990, 1020, 1122, 1224, 1320, 1360, 1496, 1530, 1584, 1683, 1867, 1870, 1980, 2040, 2244, 2448, 2640, 2805, 2992, 3060, 3366, 3734, 3740, 3960, 4080, 4488, 5601, 5610, 6120, 6732, 7468, 7480, 7920, 8415, 8976, 9335, 11202, 11220, 12240, 13464, 14936, 14960, 16803, 16830, 18670, 20537, 22404, 22440, 26928, 28005, 29872, 31739, 33606, 33660, 37340, 41074, 44808, 44880, 56010, 61611, 63478, 67212, 67320, 74680, 82148, 84015, 89616, 95217, 102685, 112020, 123222, 126956, 134424, 134640, 149360, 158695, 164296, 168030, 184833, 190434, 205370, 224040, 246444, 253912, 268848, 285651, 308055, 317390, 328592, 336060, 349129, 369666, 380868, 410740, 448080, 476085, 492888, 507824, 571302, 616110, 634780, 672120, 698258, 739332, 761736, 821480, 924165, 952170, 985776, 1047387, 1142604, 1232220, 1269560, 1344240, 1396516, 1428255, 1478664, 1523472, 1642960, 1745645, 1848330, 1904340, 2094774, 2285208, 2464440, 2539120, 2793032, 2856510, 2957328, 3142161, 3491290, 3696660, 3808680, 4189548, 4570416, 4928880, 5236935, 5586064, 5713020, 6284322, 6982580, 7393320, 7617360, 8379096, 10473870, 11426040, 12568644, 13965160, 14786640, 15710805, 16758192, 20947740, 22852080, 25137288, 27930320, 31421610, 41895480, 50274576, 62843220, 83790960, 125686440, 251372880]

約数ペア:

[(1, 251372880), (2, 125686440), (3, 83790960), (4, 62843220), (5, 50274576), (6, 41895480), (8, 31421610), (9, 27930320), (10, 25137288), (11, 22852080), (12, 20947740), (15, 16758192), (16, 15710805), (17, 14786640), (18, 13965160), (20, 12568644), (22, 11426040), (24, 10473870), (30, 8379096), (33, 7617360), (34, 7393320), (36, 6982580), (40, 6284322), (44, 5713020), (45, 5586064), (48, 5236935), (51, 4928880), (55, 4570416), (60, 4189548), (66, 3808680), (68, 3696660), (72, 3491290), (80, 3142161), (85, 2957328), (88, 2856510), (90, 2793032), (99, 2539120), (102, 2464440), (110, 2285208), (120, 2094774), (132, 1904340), (136, 1848330), (144, 1745645), (153, 1642960), (165, 1523472), (170, 1478664), (176, 1428255), (180, 1396516), (187, 1344240), (198, 1269560), (204, 1232220), (220, 1142604), (240, 1047387), (255, 985776), (264, 952170), (272, 924165), (306, 821480), (330, 761736), (340, 739332), (360, 698258), (374, 672120), (396, 634780), (408, 616110), (440, 571302), (495, 507824), (510, 492888), (528, 476085), (561, 448080), (612, 410740), (660, 380868), (680, 369666), (720, 349129), (748, 336060), (765, 328592), (792, 317390), (816, 308055), (880, 285651), (935, 268848), (990, 253912), (1020, 246444), (1122, 224040), (1224, 205370), (1320, 190434), (1360, 184833), (1496, 168030), (1530, 164296), (1584, 158695), (1683, 149360), (1867, 134640), (1870, 134424), (1980, 126956), (2040, 123222), (2244, 112020), (2448, 102685), (2640, 95217), (2805, 89616), (2992, 84015), (3060, 82148), (3366, 74680), (3734, 67320), (3740, 67212), (3960, 63478), (4080, 61611), (4488, 56010), (5601, 44880), (5610, 44808), (6120, 41074), (6732, 37340), (7468, 33660), (7480, 33606), (7920, 31739), (8415, 29872), (8976, 28005), (9335, 26928), (11202, 22440), (11220, 22404), (12240, 20537), (13464, 18670), (14936, 16830), (14960, 16803)]