20878115280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2521}}^1\times {\mathrm{3137}}^1$

素因数の和:5685

約数の個数: 160

約数和(自身を含む): 70656513408

約数和(自身を除く): 49778398128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2521, 2640, 3137, 5042, 6274, 7563, 9411, 10084, 12548, 12605, 15126, 15685, 18822, 20168, 25096, 25210, 27731, 30252, 31370, 34507, 37644, 37815, 40336, 47055, 50192, 50420, 55462, 60504, 62740, 69014, 75288, 75630, 83193, 94110, 100840, 103521, 110924, 121008, 125480, 138028, 138655, 150576, 151260, 166386, 172535, 188220, 201680, 207042, 221848, 250960, 276056, 277310, 302520, 332772, 345070, 376440, 414084, 415965, 443696, 517605, 552112, 554620, 605040, 665544, 690140, 752880, 828168, 831930, 1035210, 1109240, 1331088, 1380280, 1656336, 1663860, 2070420, 2218480, 2760560, 3327720, 4140840, 6655440, 7908377, 8281680, 15816754, 23725131, 31633508, 39541885, 47450262, 63267016, 79083770, 86992147, 94900524, 118625655, 126534032, 158167540, 173984294, 189801048, 237251310, 260976441, 316335080, 347968588, 379602096, 434960735, 474502620, 521952882, 632670160, 695937176, 869921470, 949005240, 1043905764, 1304882205, 1391874352, 1739842940, 1898010480, 2087811528, 2609764410, 3479685880, 4175623056, 5219528820, 6959371760, 10439057640, 20878115280]

約数ペア:

[(1, 20878115280), (2, 10439057640), (3, 6959371760), (4, 5219528820), (5, 4175623056), (6, 3479685880), (8, 2609764410), (10, 2087811528), (11, 1898010480), (12, 1739842940), (15, 1391874352), (16, 1304882205), (20, 1043905764), (22, 949005240), (24, 869921470), (30, 695937176), (33, 632670160), (40, 521952882), (44, 474502620), (48, 434960735), (55, 379602096), (60, 347968588), (66, 316335080), (80, 260976441), (88, 237251310), (110, 189801048), (120, 173984294), (132, 158167540), (165, 126534032), (176, 118625655), (220, 94900524), (240, 86992147), (264, 79083770), (330, 63267016), (440, 47450262), (528, 39541885), (660, 31633508), (880, 23725131), (1320, 15816754), (2521, 8281680), (2640, 7908377), (3137, 6655440), (5042, 4140840), (6274, 3327720), (7563, 2760560), (9411, 2218480), (10084, 2070420), (12548, 1663860), (12605, 1656336), (15126, 1380280), (15685, 1331088), (18822, 1109240), (20168, 1035210), (25096, 831930), (25210, 828168), (27731, 752880), (30252, 690140), (31370, 665544), (34507, 605040), (37644, 554620), (37815, 552112), (40336, 517605), (47055, 443696), (50192, 415965), (50420, 414084), (55462, 376440), (60504, 345070), (62740, 332772), (69014, 302520), (75288, 277310), (75630, 276056), (83193, 250960), (94110, 221848), (100840, 207042), (103521, 201680), (110924, 188220), (121008, 172535), (125480, 166386), (138028, 151260), (138655, 150576)]