7128701720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{2803}}^1$

素因数の和:3145

約数の個数: 128

約数和(自身を含む): 18993623040

約数和(自身を除く): 11864921320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 293, 310, 434, 586, 620, 868, 1085, 1172, 1240, 1465, 1736, 2051, 2170, 2344, 2803, 2930, 4102, 4340, 5606, 5860, 8204, 8680, 9083, 10255, 11212, 11720, 14015, 16408, 18166, 19621, 20510, 22424, 28030, 36332, 39242, 41020, 45415, 56060, 63581, 72664, 78484, 82040, 86893, 90830, 98105, 112120, 127162, 156968, 173786, 181660, 196210, 254324, 317905, 347572, 363320, 392420, 434465, 508648, 608251, 635810, 695144, 784840, 821279, 868930, 1216502, 1271620, 1642558, 1737860, 2433004, 2543240, 3041255, 3285116, 3475720, 4106395, 4866008, 5748953, 6082510, 6570232, 8212790, 11497906, 12165020, 16425580, 22995812, 24330040, 25459649, 28744765, 32851160, 45991624, 50919298, 57489530, 101838596, 114979060, 127298245, 178217543, 203677192, 229958120, 254596490, 356435086, 509192980, 712870172, 891087715, 1018385960, 1425740344, 1782175430, 3564350860, 7128701720]

約数ペア:

[(1, 7128701720), (2, 3564350860), (4, 1782175430), (5, 1425740344), (7, 1018385960), (8, 891087715), (10, 712870172), (14, 509192980), (20, 356435086), (28, 254596490), (31, 229958120), (35, 203677192), (40, 178217543), (56, 127298245), (62, 114979060), (70, 101838596), (124, 57489530), (140, 50919298), (155, 45991624), (217, 32851160), (248, 28744765), (280, 25459649), (293, 24330040), (310, 22995812), (434, 16425580), (586, 12165020), (620, 11497906), (868, 8212790), (1085, 6570232), (1172, 6082510), (1240, 5748953), (1465, 4866008), (1736, 4106395), (2051, 3475720), (2170, 3285116), (2344, 3041255), (2803, 2543240), (2930, 2433004), (4102, 1737860), (4340, 1642558), (5606, 1271620), (5860, 1216502), (8204, 868930), (8680, 821279), (9083, 784840), (10255, 695144), (11212, 635810), (11720, 608251), (14015, 508648), (16408, 434465), (18166, 392420), (19621, 363320), (20510, 347572), (22424, 317905), (28030, 254324), (36332, 196210), (39242, 181660), (41020, 173786), (45415, 156968), (56060, 127162), (63581, 112120), (72664, 98105), (78484, 90830), (82040, 86893)]