81617536

素因数分解:

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

素因数の和:72

約数の個数: 192

約数和(自身を含む): 223992000

約数和(自身を除く): 142374464

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 49, 52, 56, 64, 77, 88, 91, 98, 104, 112, 128, 143, 154, 169, 176, 182, 196, 208, 224, 286, 308, 338, 343, 352, 364, 392, 416, 448, 539, 572, 616, 637, 676, 686, 704, 728, 784, 832, 896, 1001, 1078, 1144, 1183, 1232, 1274, 1352, 1372, 1408, 1456, 1568, 1664, 1859, 2002, 2156, 2288, 2366, 2464, 2548, 2704, 2744, 2912, 3136, 3718, 3773, 4004, 4312, 4459, 4576, 4732, 4928, 5096, 5408, 5488, 5824, 6272, 7007, 7436, 7546, 8008, 8281, 8624, 8918, 9152, 9464, 9856, 10192, 10816, 10976, 11648, 13013, 14014, 14872, 15092, 16016, 16562, 17248, 17836, 18304, 18928, 20384, 21632, 21952, 26026, 28028, 29744, 30184, 32032, 33124, 34496, 35672, 37856, 40768, 43904, 49049, 52052, 56056, 57967, 59488, 60368, 64064, 66248, 68992, 71344, 75712, 81536, 91091, 98098, 104104, 112112, 115934, 118976, 120736, 128128, 132496, 142688, 151424, 182182, 196196, 208208, 224224, 231868, 237952, 241472, 264992, 285376, 364364, 392392, 416416, 448448, 463736, 482944, 529984, 570752, 637637, 728728, 784784, 832832, 896896, 927472, 1059968, 1275274, 1457456, 1569568, 1665664, 1854944, 2550548, 2914912, 3139136, 3709888, 5101096, 5829824, 6278272, 7419776, 10202192, 11659648, 20404384, 40808768, 81617536]

約数ペア:

[(1, 81617536), (2, 40808768), (4, 20404384), (7, 11659648), (8, 10202192), (11, 7419776), (13, 6278272), (14, 5829824), (16, 5101096), (22, 3709888), (26, 3139136), (28, 2914912), (32, 2550548), (44, 1854944), (49, 1665664), (52, 1569568), (56, 1457456), (64, 1275274), (77, 1059968), (88, 927472), (91, 896896), (98, 832832), (104, 784784), (112, 728728), (128, 637637), (143, 570752), (154, 529984), (169, 482944), (176, 463736), (182, 448448), (196, 416416), (208, 392392), (224, 364364), (286, 285376), (308, 264992), (338, 241472), (343, 237952), (352, 231868), (364, 224224), (392, 208208), (416, 196196), (448, 182182), (539, 151424), (572, 142688), (616, 132496), (637, 128128), (676, 120736), (686, 118976), (704, 115934), (728, 112112), (784, 104104), (832, 98098), (896, 91091), (1001, 81536), (1078, 75712), (1144, 71344), (1183, 68992), (1232, 66248), (1274, 64064), (1352, 60368), (1372, 59488), (1408, 57967), (1456, 56056), (1568, 52052), (1664, 49049), (1859, 43904), (2002, 40768), (2156, 37856), (2288, 35672), (2366, 34496), (2464, 33124), (2548, 32032), (2704, 30184), (2744, 29744), (2912, 28028), (3136, 26026), (3718, 21952), (3773, 21632), (4004, 20384), (4312, 18928), (4459, 18304), (4576, 17836), (4732, 17248), (4928, 16562), (5096, 16016), (5408, 15092), (5488, 14872), (5824, 14014), (6272, 13013), (7007, 11648), (7436, 10976), (7546, 10816), (8008, 10192), (8281, 9856), (8624, 9464), (8918, 9152)]