77668020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{449}}^1$

素因数の和:526

約数の個数: 108

約数和(自身を含む): 243980100

約数和(自身を除く): 166312080

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 449, 465, 558, 620, 898, 930, 961, 1116, 1347, 1395, 1796, 1860, 1922, 2245, 2694, 2790, 2883, 3844, 4041, 4490, 4805, 5388, 5580, 5766, 6735, 8082, 8649, 8980, 9610, 11532, 13470, 13919, 14415, 16164, 17298, 19220, 20205, 26940, 27838, 28830, 34596, 40410, 41757, 43245, 55676, 57660, 69595, 80820, 83514, 86490, 125271, 139190, 167028, 172980, 208785, 250542, 278380, 417570, 431489, 501084, 626355, 835140, 862978, 1252710, 1294467, 1725956, 2157445, 2505420, 2588934, 3883401, 4314890, 5177868, 6472335, 7766802, 8629780, 12944670, 15533604, 19417005, 25889340, 38834010, 77668020]

約数ペア:

[(1, 77668020), (2, 38834010), (3, 25889340), (4, 19417005), (5, 15533604), (6, 12944670), (9, 8629780), (10, 7766802), (12, 6472335), (15, 5177868), (18, 4314890), (20, 3883401), (30, 2588934), (31, 2505420), (36, 2157445), (45, 1725956), (60, 1294467), (62, 1252710), (90, 862978), (93, 835140), (124, 626355), (155, 501084), (180, 431489), (186, 417570), (279, 278380), (310, 250542), (372, 208785), (449, 172980), (465, 167028), (558, 139190), (620, 125271), (898, 86490), (930, 83514), (961, 80820), (1116, 69595), (1347, 57660), (1395, 55676), (1796, 43245), (1860, 41757), (1922, 40410), (2245, 34596), (2694, 28830), (2790, 27838), (2883, 26940), (3844, 20205), (4041, 19220), (4490, 17298), (4805, 16164), (5388, 14415), (5580, 13919), (5766, 13470), (6735, 11532), (8082, 9610), (8649, 8980)]