6881211920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{641}}^1\times {\mathrm{1109}}^1$

素因数の和:1785

約数の個数: 120

約数和(自身を含む): 17628793560

約数和(自身を除く): 10747581640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 641, 880, 968, 1109, 1210, 1282, 1936, 2218, 2420, 2564, 3205, 4436, 4840, 5128, 5545, 6410, 7051, 8872, 9680, 10256, 11090, 12199, 12820, 14102, 17744, 22180, 24398, 25640, 28204, 35255, 44360, 48796, 51280, 56408, 60995, 70510, 77561, 88720, 97592, 112816, 121990, 134189, 141020, 155122, 195184, 243980, 268378, 282040, 310244, 387805, 487960, 536756, 564080, 620488, 670945, 710869, 775610, 975920, 1073512, 1240976, 1341890, 1421738, 1551220, 2147024, 2683780, 2843476, 3102440, 3554345, 5367560, 5686952, 6204880, 7108690, 7819559, 10735120, 11373904, 14217380, 15639118, 28434760, 31278236, 39097795, 56869520, 62556472, 78195590, 86015149, 125112944, 156391180, 172030298, 312782360, 344060596, 430075745, 625564720, 688121192, 860151490, 1376242384, 1720302980, 3440605960, 6881211920]

約数ペア:

[(1, 6881211920), (2, 3440605960), (4, 1720302980), (5, 1376242384), (8, 860151490), (10, 688121192), (11, 625564720), (16, 430075745), (20, 344060596), (22, 312782360), (40, 172030298), (44, 156391180), (55, 125112944), (80, 86015149), (88, 78195590), (110, 62556472), (121, 56869520), (176, 39097795), (220, 31278236), (242, 28434760), (440, 15639118), (484, 14217380), (605, 11373904), (641, 10735120), (880, 7819559), (968, 7108690), (1109, 6204880), (1210, 5686952), (1282, 5367560), (1936, 3554345), (2218, 3102440), (2420, 2843476), (2564, 2683780), (3205, 2147024), (4436, 1551220), (4840, 1421738), (5128, 1341890), (5545, 1240976), (6410, 1073512), (7051, 975920), (8872, 775610), (9680, 710869), (10256, 670945), (11090, 620488), (12199, 564080), (12820, 536756), (14102, 487960), (17744, 387805), (22180, 310244), (24398, 282040), (25640, 268378), (28204, 243980), (35255, 195184), (44360, 155122), (48796, 141020), (51280, 134189), (56408, 121990), (60995, 112816), (70510, 97592), (77561, 88720)]