40810140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{661}}^1$

素因数の和:697

約数の個数: 144

約数和(自身を含む): 144580800

約数和(自身を除く): 103770660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 661, 686, 735, 882, 980, 1029, 1260, 1322, 1372, 1470, 1715, 1764, 1983, 2058, 2205, 2644, 2940, 3087, 3305, 3430, 3966, 4116, 4410, 4627, 5145, 5949, 6174, 6610, 6860, 7932, 8820, 9254, 9915, 10290, 11898, 12348, 13220, 13881, 15435, 18508, 19830, 20580, 23135, 23796, 27762, 29745, 30870, 32389, 39660, 41643, 46270, 55524, 59490, 61740, 64778, 69405, 83286, 92540, 97167, 118980, 129556, 138810, 161945, 166572, 194334, 208215, 226723, 277620, 291501, 323890, 388668, 416430, 453446, 485835, 583002, 647780, 680169, 832860, 906892, 971670, 1133615, 1166004, 1360338, 1457505, 1943340, 2040507, 2267230, 2720676, 2915010, 3400845, 4081014, 4534460, 5830020, 6801690, 8162028, 10202535, 13603380, 20405070, 40810140]

約数ペア:

[(1, 40810140), (2, 20405070), (3, 13603380), (4, 10202535), (5, 8162028), (6, 6801690), (7, 5830020), (9, 4534460), (10, 4081014), (12, 3400845), (14, 2915010), (15, 2720676), (18, 2267230), (20, 2040507), (21, 1943340), (28, 1457505), (30, 1360338), (35, 1166004), (36, 1133615), (42, 971670), (45, 906892), (49, 832860), (60, 680169), (63, 647780), (70, 583002), (84, 485835), (90, 453446), (98, 416430), (105, 388668), (126, 323890), (140, 291501), (147, 277620), (180, 226723), (196, 208215), (210, 194334), (245, 166572), (252, 161945), (294, 138810), (315, 129556), (343, 118980), (420, 97167), (441, 92540), (490, 83286), (588, 69405), (630, 64778), (661, 61740), (686, 59490), (735, 55524), (882, 46270), (980, 41643), (1029, 39660), (1260, 32389), (1322, 30870), (1372, 29745), (1470, 27762), (1715, 23796), (1764, 23135), (1983, 20580), (2058, 19830), (2205, 18508), (2644, 15435), (2940, 13881), (3087, 13220), (3305, 12348), (3430, 11898), (3966, 10290), (4116, 9915), (4410, 9254), (4627, 8820), (5145, 7932), (5949, 6860), (6174, 6610)]