79676940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 266251104

約数和(自身を除く): 186574164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 410, 420, 490, 492, 574, 588, 615, 661, 735, 820, 861, 980, 1148, 1230, 1322, 1435, 1470, 1722, 1983, 2009, 2460, 2644, 2870, 2940, 3305, 3444, 3966, 4018, 4305, 4627, 5740, 6027, 6610, 7932, 8036, 8610, 9254, 9915, 10045, 12054, 13220, 13881, 17220, 18508, 19830, 20090, 23135, 24108, 27101, 27762, 30135, 32389, 39660, 40180, 46270, 54202, 55524, 60270, 64778, 69405, 81303, 92540, 97167, 108404, 120540, 129556, 135505, 138810, 161945, 162606, 189707, 194334, 271010, 277620, 323890, 325212, 379414, 388668, 406515, 485835, 542020, 569121, 647780, 758828, 813030, 948535, 971670, 1138242, 1327949, 1626060, 1897070, 1943340, 2276484, 2655898, 2845605, 3794140, 3983847, 5311796, 5691210, 6639745, 7967694, 11382420, 13279490, 15935388, 19919235, 26558980, 39838470, 79676940]

約数ペア:

[(1, 79676940), (2, 39838470), (3, 26558980), (4, 19919235), (5, 15935388), (6, 13279490), (7, 11382420), (10, 7967694), (12, 6639745), (14, 5691210), (15, 5311796), (20, 3983847), (21, 3794140), (28, 2845605), (30, 2655898), (35, 2276484), (41, 1943340), (42, 1897070), (49, 1626060), (60, 1327949), (70, 1138242), (82, 971670), (84, 948535), (98, 813030), (105, 758828), (123, 647780), (140, 569121), (147, 542020), (164, 485835), (196, 406515), (205, 388668), (210, 379414), (245, 325212), (246, 323890), (287, 277620), (294, 271010), (410, 194334), (420, 189707), (490, 162606), (492, 161945), (574, 138810), (588, 135505), (615, 129556), (661, 120540), (735, 108404), (820, 97167), (861, 92540), (980, 81303), (1148, 69405), (1230, 64778), (1322, 60270), (1435, 55524), (1470, 54202), (1722, 46270), (1983, 40180), (2009, 39660), (2460, 32389), (2644, 30135), (2870, 27762), (2940, 27101), (3305, 24108), (3444, 23135), (3966, 20090), (4018, 19830), (4305, 18508), (4627, 17220), (5740, 13881), (6027, 13220), (6610, 12054), (7932, 10045), (8036, 9915), (8610, 9254)]