21132689040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{715877}}^1$

素因数の和:715937

約数の個数: 120

約数和(自身を含む): 72701706168

約数和(自身を除く): 51569017128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 738, 820, 984, 1230, 1476, 1640, 1845, 1968, 2460, 2952, 3280, 3690, 4920, 5904, 7380, 9840, 14760, 29520, 715877, 1431754, 2147631, 2863508, 3579385, 4295262, 5727016, 6442893, 7158770, 8590524, 10738155, 11454032, 12885786, 14317540, 17181048, 21476310, 25771572, 28635080, 29350957, 32214465, 34362096, 42952620, 51543144, 57270160, 58701914, 64428930, 85905240, 88052871, 103086288, 117403828, 128857860, 146754785, 171810480, 176105742, 234807656, 257715720, 264158613, 293509570, 352211484, 440264355, 469615312, 515431440, 528317226, 587019140, 704422968, 880528710, 1056634452, 1174038280, 1320793065, 1408845936, 1761057420, 2113268904, 2348076560, 2641586130, 3522114840, 4226537808, 5283172260, 7044229680, 10566344520, 21132689040]

約数ペア:

[(1, 21132689040), (2, 10566344520), (3, 7044229680), (4, 5283172260), (5, 4226537808), (6, 3522114840), (8, 2641586130), (9, 2348076560), (10, 2113268904), (12, 1761057420), (15, 1408845936), (16, 1320793065), (18, 1174038280), (20, 1056634452), (24, 880528710), (30, 704422968), (36, 587019140), (40, 528317226), (41, 515431440), (45, 469615312), (48, 440264355), (60, 352211484), (72, 293509570), (80, 264158613), (82, 257715720), (90, 234807656), (120, 176105742), (123, 171810480), (144, 146754785), (164, 128857860), (180, 117403828), (205, 103086288), (240, 88052871), (246, 85905240), (328, 64428930), (360, 58701914), (369, 57270160), (410, 51543144), (492, 42952620), (615, 34362096), (656, 32214465), (720, 29350957), (738, 28635080), (820, 25771572), (984, 21476310), (1230, 17181048), (1476, 14317540), (1640, 12885786), (1845, 11454032), (1968, 10738155), (2460, 8590524), (2952, 7158770), (3280, 6442893), (3690, 5727016), (4920, 4295262), (5904, 3579385), (7380, 2863508), (9840, 2147631), (14760, 1431754), (29520, 715877)]