78801660

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{6949}}^1$

素因数の和:6977

約数の個数: 120

約数和(自身を含む): 282559200

約数和(自身を除く): 203757540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 6949, 11340, 13898, 20847, 27796, 34745, 41694, 48643, 62541, 69490, 83388, 97286, 104235, 125082, 138980, 145929, 187623, 194572, 208470, 243215, 250164, 291858, 312705, 375246, 416940, 437787, 486430, 562869, 583716, 625410, 729645, 750492, 875574, 938115, 972860, 1125738, 1250820, 1313361, 1459290, 1751148, 1876230, 2188935, 2251476, 2626722, 2814345, 2918580, 3752460, 3940083, 4377870, 5253444, 5628690, 6566805, 7880166, 8755740, 11257380, 13133610, 15760332, 19700415, 26267220, 39400830, 78801660]

約数ペア:

[(1, 78801660), (2, 39400830), (3, 26267220), (4, 19700415), (5, 15760332), (6, 13133610), (7, 11257380), (9, 8755740), (10, 7880166), (12, 6566805), (14, 5628690), (15, 5253444), (18, 4377870), (20, 3940083), (21, 3752460), (27, 2918580), (28, 2814345), (30, 2626722), (35, 2251476), (36, 2188935), (42, 1876230), (45, 1751148), (54, 1459290), (60, 1313361), (63, 1250820), (70, 1125738), (81, 972860), (84, 938115), (90, 875574), (105, 750492), (108, 729645), (126, 625410), (135, 583716), (140, 562869), (162, 486430), (180, 437787), (189, 416940), (210, 375246), (252, 312705), (270, 291858), (315, 250164), (324, 243215), (378, 208470), (405, 194572), (420, 187623), (540, 145929), (567, 138980), (630, 125082), (756, 104235), (810, 97286), (945, 83388), (1134, 69490), (1260, 62541), (1620, 48643), (1890, 41694), (2268, 34745), (2835, 27796), (3780, 20847), (5670, 13898), (6949, 11340)]