81537456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1697}}^1$

素因数の和:1739

約数の個数: 160

約数和(自身を含む): 282981888

約数和(自身を除く): 201444432

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 16, 21, 22, 24, 26, 28, 33, 39, 42, 44, 48, 52, 56, 66, 77, 78, 84, 88, 91, 104, 112, 132, 143, 154, 156, 168, 176, 182, 208, 231, 264, 273, 286, 308, 312, 336, 364, 429, 462, 528, 546, 572, 616, 624, 728, 858, 924, 1001, 1092, 1144, 1232, 1456, 1697, 1716, 1848, 2002, 2184, 2288, 3003, 3394, 3432, 3696, 4004, 4368, 5091, 6006, 6788, 6864, 8008, 10182, 11879, 12012, 13576, 16016, 18667, 20364, 22061, 23758, 24024, 27152, 35637, 37334, 40728, 44122, 47516, 48048, 56001, 66183, 71274, 74668, 81456, 88244, 95032, 112002, 130669, 132366, 142548, 149336, 154427, 176488, 190064, 224004, 242671, 261338, 264732, 285096, 298672, 308854, 352976, 392007, 448008, 463281, 485342, 522676, 529464, 570192, 617708, 728013, 784014, 896016, 926562, 970684, 1045352, 1058928, 1235416, 1456026, 1568028, 1698697, 1853124, 1941368, 2090704, 2470832, 2912052, 3136056, 3397394, 3706248, 3882736, 5096091, 5824104, 6272112, 6794788, 7412496, 10192182, 11648208, 13589576, 20384364, 27179152, 40768728, 81537456]

約数ペア:

[(1, 81537456), (2, 40768728), (3, 27179152), (4, 20384364), (6, 13589576), (7, 11648208), (8, 10192182), (11, 7412496), (12, 6794788), (13, 6272112), (14, 5824104), (16, 5096091), (21, 3882736), (22, 3706248), (24, 3397394), (26, 3136056), (28, 2912052), (33, 2470832), (39, 2090704), (42, 1941368), (44, 1853124), (48, 1698697), (52, 1568028), (56, 1456026), (66, 1235416), (77, 1058928), (78, 1045352), (84, 970684), (88, 926562), (91, 896016), (104, 784014), (112, 728013), (132, 617708), (143, 570192), (154, 529464), (156, 522676), (168, 485342), (176, 463281), (182, 448008), (208, 392007), (231, 352976), (264, 308854), (273, 298672), (286, 285096), (308, 264732), (312, 261338), (336, 242671), (364, 224004), (429, 190064), (462, 176488), (528, 154427), (546, 149336), (572, 142548), (616, 132366), (624, 130669), (728, 112002), (858, 95032), (924, 88244), (1001, 81456), (1092, 74668), (1144, 71274), (1232, 66183), (1456, 56001), (1697, 48048), (1716, 47516), (1848, 44122), (2002, 40728), (2184, 37334), (2288, 35637), (3003, 27152), (3394, 24024), (3432, 23758), (3696, 22061), (4004, 20364), (4368, 18667), (5091, 16016), (6006, 13576), (6788, 12012), (6864, 11879), (8008, 10182)]