2581569640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:292

約数の個数: 192

約数和(自身を含む): 6611189760

約数和(自身を除く): 4029620120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 97, 104, 124, 127, 130, 155, 169, 194, 248, 254, 260, 310, 338, 388, 403, 485, 508, 520, 620, 635, 676, 776, 806, 845, 970, 1016, 1240, 1261, 1270, 1352, 1612, 1651, 1690, 1940, 2015, 2522, 2540, 3007, 3224, 3302, 3380, 3880, 3937, 4030, 5044, 5080, 5239, 6014, 6305, 6604, 6760, 7874, 8060, 8255, 10088, 10478, 12028, 12319, 12610, 13208, 15035, 15748, 16120, 16393, 16510, 19685, 20956, 21463, 24056, 24638, 25220, 26195, 30070, 31496, 32786, 33020, 39091, 39370, 41912, 42926, 49276, 50440, 51181, 52390, 60140, 61595, 65572, 66040, 78182, 78740, 81965, 85852, 98552, 102362, 104780, 107315, 120280, 123190, 131144, 156364, 157480, 160147, 163930, 171704, 195455, 204724, 209560, 214630, 246380, 255905, 312728, 320294, 327860, 381889, 390910, 409448, 429260, 492760, 508183, 511810, 640588, 655720, 665353, 763778, 781820, 800735, 858520, 1016366, 1023620, 1281176, 1330706, 1527556, 1563640, 1601470, 1909445, 2032732, 2047240, 2081911, 2540915, 2661412, 3055112, 3202940, 3326765, 3818890, 4065464, 4163822, 4964557, 5081830, 5322824, 6405880, 6653530, 7637780, 8327644, 9929114, 10163660, 10409555, 13307060, 15275560, 16655288, 19858228, 20327320, 20819110, 24822785, 26614120, 39716456, 41638220, 49645570, 64539241, 83276440, 99291140, 129078482, 198582280, 258156964, 322696205, 516313928, 645392410, 1290784820, 2581569640]

約数ペア:

[(1, 2581569640), (2, 1290784820), (4, 645392410), (5, 516313928), (8, 322696205), (10, 258156964), (13, 198582280), (20, 129078482), (26, 99291140), (31, 83276440), (40, 64539241), (52, 49645570), (62, 41638220), (65, 39716456), (97, 26614120), (104, 24822785), (124, 20819110), (127, 20327320), (130, 19858228), (155, 16655288), (169, 15275560), (194, 13307060), (248, 10409555), (254, 10163660), (260, 9929114), (310, 8327644), (338, 7637780), (388, 6653530), (403, 6405880), (485, 5322824), (508, 5081830), (520, 4964557), (620, 4163822), (635, 4065464), (676, 3818890), (776, 3326765), (806, 3202940), (845, 3055112), (970, 2661412), (1016, 2540915), (1240, 2081911), (1261, 2047240), (1270, 2032732), (1352, 1909445), (1612, 1601470), (1651, 1563640), (1690, 1527556), (1940, 1330706), (2015, 1281176), (2522, 1023620), (2540, 1016366), (3007, 858520), (3224, 800735), (3302, 781820), (3380, 763778), (3880, 665353), (3937, 655720), (4030, 640588), (5044, 511810), (5080, 508183), (5239, 492760), (6014, 429260), (6305, 409448), (6604, 390910), (6760, 381889), (7874, 327860), (8060, 320294), (8255, 312728), (10088, 255905), (10478, 246380), (12028, 214630), (12319, 209560), (12610, 204724), (13208, 195455), (15035, 171704), (15748, 163930), (16120, 160147), (16393, 157480), (16510, 156364), (19685, 131144), (20956, 123190), (21463, 120280), (24056, 107315), (24638, 104780), (25220, 102362), (26195, 98552), (30070, 85852), (31496, 81965), (32786, 78740), (33020, 78182), (39091, 66040), (39370, 65572), (41912, 61595), (42926, 60140), (49276, 52390), (50440, 51181)]