13402980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3919}}^1$

素因数の和:3953

約数の個数: 72

約数和(自身を含む): 42806400

約数和(自身を除く): 29403420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 3919, 7838, 11757, 15676, 19595, 23514, 35271, 39190, 47028, 58785, 70542, 74461, 78380, 117570, 141084, 148922, 176355, 223383, 235140, 297844, 352710, 372305, 446766, 670149, 705420, 744610, 893532, 1116915, 1340298, 1489220, 2233830, 2680596, 3350745, 4467660, 6701490, 13402980]

約数ペア:

[(1, 13402980), (2, 6701490), (3, 4467660), (4, 3350745), (5, 2680596), (6, 2233830), (9, 1489220), (10, 1340298), (12, 1116915), (15, 893532), (18, 744610), (19, 705420), (20, 670149), (30, 446766), (36, 372305), (38, 352710), (45, 297844), (57, 235140), (60, 223383), (76, 176355), (90, 148922), (95, 141084), (114, 117570), (171, 78380), (180, 74461), (190, 70542), (228, 58785), (285, 47028), (342, 39190), (380, 35271), (570, 23514), (684, 19595), (855, 15676), (1140, 11757), (1710, 7838), (3420, 3919)]