81133553880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{178441}}^1$

素因数の和:178882

約数の個数: 128

約数和(自身を含む): 271089086400

約数和(自身を除く): 189955532520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 421, 540, 842, 1080, 1263, 1684, 2105, 2526, 3368, 3789, 4210, 5052, 6315, 7578, 8420, 10104, 11367, 12630, 15156, 16840, 18945, 22734, 25260, 30312, 37890, 45468, 50520, 56835, 75780, 90936, 113670, 151560, 178441, 227340, 356882, 454680, 535323, 713764, 892205, 1070646, 1427528, 1605969, 1784410, 2141292, 2676615, 3211938, 3568820, 4282584, 4817907, 5353230, 6423876, 7137640, 8029845, 9635814, 10706460, 12847752, 16059690, 19271628, 21412920, 24089535, 32119380, 38543256, 48179070, 64238760, 75123661, 96358140, 150247322, 192716280, 225370983, 300494644, 375618305, 450741966, 600989288, 676112949, 751236610, 901483932, 1126854915, 1352225898, 1502473220, 1802967864, 2028338847, 2253709830, 2704451796, 3004946440, 3380564745, 4056677694, 4507419660, 5408903592, 6761129490, 8113355388, 9014839320, 10141694235, 13522258980, 16226710776, 20283388470, 27044517960, 40566776940, 81133553880]

約数ペア:

[(1, 81133553880), (2, 40566776940), (3, 27044517960), (4, 20283388470), (5, 16226710776), (6, 13522258980), (8, 10141694235), (9, 9014839320), (10, 8113355388), (12, 6761129490), (15, 5408903592), (18, 4507419660), (20, 4056677694), (24, 3380564745), (27, 3004946440), (30, 2704451796), (36, 2253709830), (40, 2028338847), (45, 1802967864), (54, 1502473220), (60, 1352225898), (72, 1126854915), (90, 901483932), (108, 751236610), (120, 676112949), (135, 600989288), (180, 450741966), (216, 375618305), (270, 300494644), (360, 225370983), (421, 192716280), (540, 150247322), (842, 96358140), (1080, 75123661), (1263, 64238760), (1684, 48179070), (2105, 38543256), (2526, 32119380), (3368, 24089535), (3789, 21412920), (4210, 19271628), (5052, 16059690), (6315, 12847752), (7578, 10706460), (8420, 9635814), (10104, 8029845), (11367, 7137640), (12630, 6423876), (15156, 5353230), (16840, 4817907), (18945, 4282584), (22734, 3568820), (25260, 3211938), (30312, 2676615), (37890, 2141292), (45468, 1784410), (50520, 1605969), (56835, 1427528), (75780, 1070646), (90936, 892205), (113670, 713764), (151560, 535323), (178441, 454680), (227340, 356882)]