2780128824

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1787}}^1$

素因数の和:1961

約数の個数: 128

約数和(自身を含む): 7785953280

約数和(自身を除く): 5005824456

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 71, 83, 88, 132, 142, 166, 213, 249, 264, 284, 332, 426, 498, 568, 664, 781, 852, 913, 996, 1562, 1704, 1787, 1826, 1992, 2343, 2739, 3124, 3574, 3652, 4686, 5361, 5478, 5893, 6248, 7148, 7304, 9372, 10722, 10956, 11786, 14296, 17679, 18744, 19657, 21444, 21912, 23572, 35358, 39314, 42888, 47144, 58971, 64823, 70716, 78628, 117942, 126877, 129646, 141432, 148321, 157256, 194469, 235884, 253754, 259292, 296642, 380631, 388938, 444963, 471768, 507508, 518584, 593284, 761262, 777876, 889926, 1015016, 1186568, 1395647, 1522524, 1555752, 1631531, 1779852, 2791294, 3045048, 3263062, 3559704, 4186941, 4894593, 5582588, 6526124, 8373882, 9789186, 10530791, 11165176, 13052248, 16747764, 19578372, 21061582, 31592373, 33495528, 39156744, 42123164, 63184746, 84246328, 115838701, 126369492, 231677402, 252738984, 347516103, 463354804, 695032206, 926709608, 1390064412, 2780128824]

約数ペア:

[(1, 2780128824), (2, 1390064412), (3, 926709608), (4, 695032206), (6, 463354804), (8, 347516103), (11, 252738984), (12, 231677402), (22, 126369492), (24, 115838701), (33, 84246328), (44, 63184746), (66, 42123164), (71, 39156744), (83, 33495528), (88, 31592373), (132, 21061582), (142, 19578372), (166, 16747764), (213, 13052248), (249, 11165176), (264, 10530791), (284, 9789186), (332, 8373882), (426, 6526124), (498, 5582588), (568, 4894593), (664, 4186941), (781, 3559704), (852, 3263062), (913, 3045048), (996, 2791294), (1562, 1779852), (1704, 1631531), (1787, 1555752), (1826, 1522524), (1992, 1395647), (2343, 1186568), (2739, 1015016), (3124, 889926), (3574, 777876), (3652, 761262), (4686, 593284), (5361, 518584), (5478, 507508), (5893, 471768), (6248, 444963), (7148, 388938), (7304, 380631), (9372, 296642), (10722, 259292), (10956, 253754), (11786, 235884), (14296, 194469), (17679, 157256), (18744, 148321), (19657, 141432), (21444, 129646), (21912, 126877), (23572, 117942), (35358, 78628), (39314, 70716), (42888, 64823), (47144, 58971)]