81955968

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 235008000

約数和(自身を除く): 153052032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 47, 48, 57, 64, 76, 94, 96, 114, 128, 141, 152, 188, 192, 228, 239, 282, 304, 376, 384, 456, 478, 564, 608, 717, 752, 893, 912, 956, 1128, 1216, 1434, 1504, 1786, 1824, 1912, 2256, 2432, 2679, 2868, 3008, 3572, 3648, 3824, 4512, 4541, 5358, 5736, 6016, 7144, 7296, 7648, 9024, 9082, 10716, 11233, 11472, 13623, 14288, 15296, 18048, 18164, 21432, 22466, 22944, 27246, 28576, 30592, 33699, 36328, 42864, 44932, 45888, 54492, 57152, 67398, 72656, 85728, 89864, 91776, 108984, 114304, 134796, 145312, 171456, 179728, 213427, 217968, 269592, 290624, 342912, 359456, 426854, 435936, 539184, 581248, 640281, 718912, 853708, 871872, 1078368, 1280562, 1437824, 1707416, 1743744, 2156736, 2561124, 3414832, 4313472, 5122248, 6829664, 10244496, 13659328, 20488992, 27318656, 40977984, 81955968]

約数ペア:

[(1, 81955968), (2, 40977984), (3, 27318656), (4, 20488992), (6, 13659328), (8, 10244496), (12, 6829664), (16, 5122248), (19, 4313472), (24, 3414832), (32, 2561124), (38, 2156736), (47, 1743744), (48, 1707416), (57, 1437824), (64, 1280562), (76, 1078368), (94, 871872), (96, 853708), (114, 718912), (128, 640281), (141, 581248), (152, 539184), (188, 435936), (192, 426854), (228, 359456), (239, 342912), (282, 290624), (304, 269592), (376, 217968), (384, 213427), (456, 179728), (478, 171456), (564, 145312), (608, 134796), (717, 114304), (752, 108984), (893, 91776), (912, 89864), (956, 85728), (1128, 72656), (1216, 67398), (1434, 57152), (1504, 54492), (1786, 45888), (1824, 44932), (1912, 42864), (2256, 36328), (2432, 33699), (2679, 30592), (2868, 28576), (3008, 27246), (3572, 22944), (3648, 22466), (3824, 21432), (4512, 18164), (4541, 18048), (5358, 15296), (5736, 14288), (6016, 13623), (7144, 11472), (7296, 11233), (7648, 10716), (9024, 9082)]