1298580080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 240

約数和(自身を含む): 3782615040

約数和(自身を除く): 2484034960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 127, 133, 140, 152, 155, 190, 217, 248, 254, 266, 280, 304, 310, 380, 434, 496, 508, 532, 560, 589, 620, 635, 665, 760, 868, 889, 961, 1016, 1064, 1085, 1178, 1240, 1270, 1330, 1520, 1736, 1778, 1922, 2032, 2128, 2170, 2356, 2413, 2480, 2540, 2660, 2945, 3472, 3556, 3844, 3937, 4123, 4340, 4445, 4712, 4805, 4826, 5080, 5320, 5890, 6727, 7112, 7688, 7874, 8246, 8680, 8890, 9424, 9610, 9652, 10160, 10640, 11780, 12065, 13454, 14224, 15376, 15748, 16492, 16891, 17360, 17780, 18259, 19220, 19304, 19685, 20615, 23560, 24130, 26908, 27559, 31496, 32984, 33635, 33782, 35560, 36518, 38440, 38608, 39370, 41230, 47120, 48260, 53816, 55118, 62992, 65968, 67270, 67564, 71120, 73036, 74803, 76880, 78740, 82460, 84455, 91295, 96520, 107632, 110236, 122047, 127813, 134540, 135128, 137795, 146072, 149606, 157480, 164920, 168910, 182590, 193040, 220472, 244094, 255626, 269080, 270256, 275590, 292144, 299212, 314960, 329840, 337820, 365180, 374015, 440944, 488188, 511252, 523621, 538160, 551180, 598424, 610235, 639065, 675640, 730360, 748030, 854329, 976376, 1022504, 1047242, 1102360, 1196848, 1220470, 1278130, 1351280, 1460720, 1496060, 1708658, 1952752, 2045008, 2094484, 2204720, 2318893, 2440940, 2556260, 2618105, 2992120, 3417316, 4188968, 4271645, 4637786, 4881880, 5112520, 5236210, 5984240, 6834632, 8377936, 8543290, 9275572, 9763760, 10225040, 10472420, 11594465, 13669264, 16232251, 17086580, 18551144, 20944840, 23188930, 32464502, 34173160, 37102288, 41889680, 46377860, 64929004, 68346320, 81161255, 92755720, 129858008, 162322510, 185511440, 259716016, 324645020, 649290040, 1298580080]

約数ペア:

[(1, 1298580080), (2, 649290040), (4, 324645020), (5, 259716016), (7, 185511440), (8, 162322510), (10, 129858008), (14, 92755720), (16, 81161255), (19, 68346320), (20, 64929004), (28, 46377860), (31, 41889680), (35, 37102288), (38, 34173160), (40, 32464502), (56, 23188930), (62, 20944840), (70, 18551144), (76, 17086580), (80, 16232251), (95, 13669264), (112, 11594465), (124, 10472420), (127, 10225040), (133, 9763760), (140, 9275572), (152, 8543290), (155, 8377936), (190, 6834632), (217, 5984240), (248, 5236210), (254, 5112520), (266, 4881880), (280, 4637786), (304, 4271645), (310, 4188968), (380, 3417316), (434, 2992120), (496, 2618105), (508, 2556260), (532, 2440940), (560, 2318893), (589, 2204720), (620, 2094484), (635, 2045008), (665, 1952752), (760, 1708658), (868, 1496060), (889, 1460720), (961, 1351280), (1016, 1278130), (1064, 1220470), (1085, 1196848), (1178, 1102360), (1240, 1047242), (1270, 1022504), (1330, 976376), (1520, 854329), (1736, 748030), (1778, 730360), (1922, 675640), (2032, 639065), (2128, 610235), (2170, 598424), (2356, 551180), (2413, 538160), (2480, 523621), (2540, 511252), (2660, 488188), (2945, 440944), (3472, 374015), (3556, 365180), (3844, 337820), (3937, 329840), (4123, 314960), (4340, 299212), (4445, 292144), (4712, 275590), (4805, 270256), (4826, 269080), (5080, 255626), (5320, 244094), (5890, 220472), (6727, 193040), (7112, 182590), (7688, 168910), (7874, 164920), (8246, 157480), (8680, 149606), (8890, 146072), (9424, 137795), (9610, 135128), (9652, 134540), (10160, 127813), (10640, 122047), (11780, 110236), (12065, 107632), (13454, 96520), (14224, 91295), (15376, 84455), (15748, 82460), (16492, 78740), (16891, 76880), (17360, 74803), (17780, 73036), (18259, 71120), (19220, 67564), (19304, 67270), (19685, 65968), (20615, 62992), (23560, 55118), (24130, 53816), (26908, 48260), (27559, 47120), (31496, 41230), (32984, 39370), (33635, 38608), (33782, 38440), (35560, 36518)]