2556589840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:430

約数の個数: 320

約数和(自身を含む): 7725219840

約数和(自身を除く): 5168630000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 31, 35, 38, 40, 46, 56, 62, 70, 76, 80, 92, 95, 112, 115, 124, 133, 140, 152, 155, 161, 184, 190, 217, 230, 248, 266, 280, 304, 310, 322, 337, 368, 380, 434, 437, 460, 496, 532, 560, 589, 620, 644, 665, 674, 713, 760, 805, 868, 874, 920, 1064, 1085, 1178, 1240, 1288, 1330, 1348, 1426, 1520, 1610, 1685, 1736, 1748, 1840, 2128, 2170, 2185, 2356, 2359, 2480, 2576, 2660, 2696, 2852, 2945, 3059, 3220, 3370, 3472, 3496, 3565, 4123, 4340, 4370, 4712, 4718, 4991, 5320, 5392, 5704, 5890, 6118, 6403, 6440, 6740, 6992, 7130, 7751, 8246, 8680, 8740, 9424, 9436, 9982, 10447, 10640, 11408, 11780, 11795, 12236, 12806, 12880, 13480, 13547, 14260, 15295, 15502, 16492, 17360, 17480, 18872, 19964, 20615, 20894, 23560, 23590, 24472, 24955, 25612, 26960, 27094, 28520, 30590, 31004, 32015, 32984, 34960, 37744, 38755, 39928, 41230, 41788, 44821, 47120, 47180, 48944, 49910, 51224, 52235, 54188, 54257, 57040, 61180, 62008, 64030, 65968, 67735, 73129, 77510, 79856, 82460, 83576, 89642, 94360, 94829, 99820, 102448, 104470, 108376, 108514, 122360, 124016, 128060, 135470, 146258, 147269, 155020, 164920, 167152, 179284, 188720, 189658, 198493, 199640, 208940, 216752, 217028, 224105, 240281, 244720, 256120, 270940, 271285, 292516, 294538, 310040, 329840, 358568, 365645, 379316, 396986, 399280, 417880, 434056, 448210, 474145, 480562, 512240, 541880, 542570, 585032, 589076, 620080, 717136, 731290, 736345, 758632, 793972, 835760, 868112, 896420, 948290, 961124, 992465, 1030883, 1083760, 1085140, 1170064, 1178152, 1201405, 1389451, 1462580, 1472690, 1517264, 1587944, 1681967, 1792840, 1896580, 1922248, 1984930, 2061766, 2170280, 2356304, 2402810, 2778902, 2925160, 2945380, 3175888, 3363934, 3585680, 3793160, 3844496, 3969860, 4123532, 4340560, 4565339, 4805620, 5154415, 5557804, 5850320, 5890760, 6727868, 6947255, 7586320, 7939720, 8247064, 8409835, 9130678, 9611240, 10308830, 11115608, 11781520, 13455736, 13894510, 15879440, 16494128, 16819670, 18261356, 19222480, 20617660, 22231216, 22826695, 26911472, 27789020, 31957373, 33639340, 36522712, 41235320, 45653390, 55578040, 63914746, 67278680, 73045424, 82470640, 91306780, 111156080, 127829492, 134557360, 159786865, 182613560, 255658984, 319573730, 365227120, 511317968, 639147460, 1278294920, 2556589840]

約数ペア:

[(1, 2556589840), (2, 1278294920), (4, 639147460), (5, 511317968), (7, 365227120), (8, 319573730), (10, 255658984), (14, 182613560), (16, 159786865), (19, 134557360), (20, 127829492), (23, 111156080), (28, 91306780), (31, 82470640), (35, 73045424), (38, 67278680), (40, 63914746), (46, 55578040), (56, 45653390), (62, 41235320), (70, 36522712), (76, 33639340), (80, 31957373), (92, 27789020), (95, 26911472), (112, 22826695), (115, 22231216), (124, 20617660), (133, 19222480), (140, 18261356), (152, 16819670), (155, 16494128), (161, 15879440), (184, 13894510), (190, 13455736), (217, 11781520), (230, 11115608), (248, 10308830), (266, 9611240), (280, 9130678), (304, 8409835), (310, 8247064), (322, 7939720), (337, 7586320), (368, 6947255), (380, 6727868), (434, 5890760), (437, 5850320), (460, 5557804), (496, 5154415), (532, 4805620), (560, 4565339), (589, 4340560), (620, 4123532), (644, 3969860), (665, 3844496), (674, 3793160), (713, 3585680), (760, 3363934), (805, 3175888), (868, 2945380), (874, 2925160), (920, 2778902), (1064, 2402810), (1085, 2356304), (1178, 2170280), (1240, 2061766), (1288, 1984930), (1330, 1922248), (1348, 1896580), (1426, 1792840), (1520, 1681967), (1610, 1587944), (1685, 1517264), (1736, 1472690), (1748, 1462580), (1840, 1389451), (2128, 1201405), (2170, 1178152), (2185, 1170064), (2356, 1085140), (2359, 1083760), (2480, 1030883), (2576, 992465), (2660, 961124), (2696, 948290), (2852, 896420), (2945, 868112), (3059, 835760), (3220, 793972), (3370, 758632), (3472, 736345), (3496, 731290), (3565, 717136), (4123, 620080), (4340, 589076), (4370, 585032), (4712, 542570), (4718, 541880), (4991, 512240), (5320, 480562), (5392, 474145), (5704, 448210), (5890, 434056), (6118, 417880), (6403, 399280), (6440, 396986), (6740, 379316), (6992, 365645), (7130, 358568), (7751, 329840), (8246, 310040), (8680, 294538), (8740, 292516), (9424, 271285), (9436, 270940), (9982, 256120), (10447, 244720), (10640, 240281), (11408, 224105), (11780, 217028), (11795, 216752), (12236, 208940), (12806, 199640), (12880, 198493), (13480, 189658), (13547, 188720), (14260, 179284), (15295, 167152), (15502, 164920), (16492, 155020), (17360, 147269), (17480, 146258), (18872, 135470), (19964, 128060), (20615, 124016), (20894, 122360), (23560, 108514), (23590, 108376), (24472, 104470), (24955, 102448), (25612, 99820), (26960, 94829), (27094, 94360), (28520, 89642), (30590, 83576), (31004, 82460), (32015, 79856), (32984, 77510), (34960, 73129), (37744, 67735), (38755, 65968), (39928, 64030), (41230, 62008), (41788, 61180), (44821, 57040), (47120, 54257), (47180, 54188), (48944, 52235), (49910, 51224)]