81715704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 243302400

約数和(自身を除く): 161586696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 79, 84, 94, 131, 141, 158, 168, 188, 237, 262, 282, 316, 329, 376, 393, 474, 524, 553, 564, 632, 658, 786, 917, 948, 987, 1048, 1106, 1128, 1316, 1572, 1659, 1834, 1896, 1974, 2212, 2632, 2751, 3144, 3318, 3668, 3713, 3948, 4424, 5502, 6157, 6636, 7336, 7426, 7896, 10349, 11004, 11139, 12314, 13272, 14852, 18471, 20698, 22008, 22278, 24628, 25991, 29704, 31047, 36942, 41396, 43099, 44556, 49256, 51982, 62094, 72443, 73884, 77973, 82792, 86198, 89112, 103964, 124188, 129297, 144886, 147768, 155946, 172396, 207928, 217329, 248376, 258594, 289772, 311892, 344792, 434658, 486403, 517188, 579544, 623784, 869316, 972806, 1034376, 1459209, 1738632, 1945612, 2918418, 3404821, 3891224, 5836836, 6809642, 10214463, 11673672, 13619284, 20428926, 27238568, 40857852, 81715704]

約数ペア:

[(1, 81715704), (2, 40857852), (3, 27238568), (4, 20428926), (6, 13619284), (7, 11673672), (8, 10214463), (12, 6809642), (14, 5836836), (21, 3891224), (24, 3404821), (28, 2918418), (42, 1945612), (47, 1738632), (56, 1459209), (79, 1034376), (84, 972806), (94, 869316), (131, 623784), (141, 579544), (158, 517188), (168, 486403), (188, 434658), (237, 344792), (262, 311892), (282, 289772), (316, 258594), (329, 248376), (376, 217329), (393, 207928), (474, 172396), (524, 155946), (553, 147768), (564, 144886), (632, 129297), (658, 124188), (786, 103964), (917, 89112), (948, 86198), (987, 82792), (1048, 77973), (1106, 73884), (1128, 72443), (1316, 62094), (1572, 51982), (1659, 49256), (1834, 44556), (1896, 43099), (1974, 41396), (2212, 36942), (2632, 31047), (2751, 29704), (3144, 25991), (3318, 24628), (3668, 22278), (3713, 22008), (3948, 20698), (4424, 18471), (5502, 14852), (6157, 13272), (6636, 12314), (7336, 11139), (7426, 11004), (7896, 10349)]