2560278344

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 5556633600

約数和(自身を除く): 2996355256

約数列:

[1, 2, 4, 8, 13, 26, 31, 37, 52, 62, 74, 104, 124, 127, 148, 169, 248, 254, 296, 338, 403, 481, 508, 676, 806, 962, 1016, 1147, 1352, 1612, 1651, 1924, 2197, 2294, 3224, 3302, 3848, 3937, 4394, 4588, 4699, 5239, 6253, 6604, 7874, 8788, 9176, 9398, 10478, 12506, 13208, 14911, 15748, 17576, 18796, 20956, 21463, 25012, 29822, 31496, 37592, 41912, 42926, 50024, 51181, 59644, 61087, 68107, 81289, 85852, 102362, 119288, 122174, 136214, 145669, 162578, 171704, 193843, 204724, 244348, 272428, 279019, 291338, 325156, 387686, 409448, 488696, 544856, 558038, 582676, 650312, 665353, 775372, 794131, 1116076, 1165352, 1330706, 1550744, 1588262, 1893697, 2232152, 2519959, 2661412, 3176524, 3787394, 5039918, 5322824, 6353048, 7574788, 8649589, 10079836, 10323703, 15149576, 17299178, 20159672, 20647406, 24618061, 34598356, 41294812, 49236122, 69196712, 82589624, 98472244, 196944488, 320034793, 640069586, 1280139172, 2560278344]

約数ペア:

[(1, 2560278344), (2, 1280139172), (4, 640069586), (8, 320034793), (13, 196944488), (26, 98472244), (31, 82589624), (37, 69196712), (52, 49236122), (62, 41294812), (74, 34598356), (104, 24618061), (124, 20647406), (127, 20159672), (148, 17299178), (169, 15149576), (248, 10323703), (254, 10079836), (296, 8649589), (338, 7574788), (403, 6353048), (481, 5322824), (508, 5039918), (676, 3787394), (806, 3176524), (962, 2661412), (1016, 2519959), (1147, 2232152), (1352, 1893697), (1612, 1588262), (1651, 1550744), (1924, 1330706), (2197, 1165352), (2294, 1116076), (3224, 794131), (3302, 775372), (3848, 665353), (3937, 650312), (4394, 582676), (4588, 558038), (4699, 544856), (5239, 488696), (6253, 409448), (6604, 387686), (7874, 325156), (8788, 291338), (9176, 279019), (9398, 272428), (10478, 244348), (12506, 204724), (13208, 193843), (14911, 171704), (15748, 162578), (17576, 145669), (18796, 136214), (20956, 122174), (21463, 119288), (25012, 102362), (29822, 85852), (31496, 81289), (37592, 68107), (41912, 61087), (42926, 59644), (50024, 51181)]