81128544

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 192

約数和(自身を含む): 264176640

約数和(自身を除く): 183048096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 29, 32, 42, 46, 48, 56, 58, 69, 84, 87, 92, 96, 112, 116, 138, 161, 168, 174, 181, 184, 203, 224, 232, 276, 322, 336, 348, 362, 368, 406, 464, 483, 543, 552, 609, 644, 667, 672, 696, 724, 736, 812, 928, 966, 1086, 1104, 1218, 1267, 1288, 1334, 1392, 1448, 1624, 1932, 2001, 2172, 2208, 2436, 2534, 2576, 2668, 2784, 2896, 3248, 3801, 3864, 4002, 4163, 4344, 4669, 4872, 5068, 5152, 5249, 5336, 5792, 6496, 7602, 7728, 8004, 8326, 8688, 9338, 9744, 10136, 10498, 10672, 12489, 14007, 15204, 15456, 15747, 16008, 16652, 17376, 18676, 19488, 20272, 20996, 21344, 24978, 28014, 29141, 30408, 31494, 32016, 33304, 36743, 37352, 40544, 41992, 49956, 56028, 58282, 60816, 62988, 64032, 66608, 73486, 74704, 83984, 87423, 99912, 110229, 112056, 116564, 120727, 121632, 125976, 133216, 146972, 149408, 167968, 174846, 199824, 220458, 224112, 233128, 241454, 251952, 293944, 349692, 362181, 399648, 440916, 448224, 466256, 482908, 503904, 587888, 699384, 724362, 845089, 881832, 932512, 965816, 1175776, 1398768, 1448724, 1690178, 1763664, 1931632, 2535267, 2797536, 2897448, 3380356, 3527328, 3863264, 5070534, 5794896, 6760712, 10141068, 11589792, 13521424, 20282136, 27042848, 40564272, 81128544]

約数ペア:

[(1, 81128544), (2, 40564272), (3, 27042848), (4, 20282136), (6, 13521424), (7, 11589792), (8, 10141068), (12, 6760712), (14, 5794896), (16, 5070534), (21, 3863264), (23, 3527328), (24, 3380356), (28, 2897448), (29, 2797536), (32, 2535267), (42, 1931632), (46, 1763664), (48, 1690178), (56, 1448724), (58, 1398768), (69, 1175776), (84, 965816), (87, 932512), (92, 881832), (96, 845089), (112, 724362), (116, 699384), (138, 587888), (161, 503904), (168, 482908), (174, 466256), (181, 448224), (184, 440916), (203, 399648), (224, 362181), (232, 349692), (276, 293944), (322, 251952), (336, 241454), (348, 233128), (362, 224112), (368, 220458), (406, 199824), (464, 174846), (483, 167968), (543, 149408), (552, 146972), (609, 133216), (644, 125976), (667, 121632), (672, 120727), (696, 116564), (724, 112056), (736, 110229), (812, 99912), (928, 87423), (966, 83984), (1086, 74704), (1104, 73486), (1218, 66608), (1267, 64032), (1288, 62988), (1334, 60816), (1392, 58282), (1448, 56028), (1624, 49956), (1932, 41992), (2001, 40544), (2172, 37352), (2208, 36743), (2436, 33304), (2534, 32016), (2576, 31494), (2668, 30408), (2784, 29141), (2896, 28014), (3248, 24978), (3801, 21344), (3864, 20996), (4002, 20272), (4163, 19488), (4344, 18676), (4669, 17376), (4872, 16652), (5068, 16008), (5152, 15747), (5249, 15456), (5336, 15204), (5792, 14007), (6496, 12489), (7602, 10672), (7728, 10498), (8004, 10136), (8326, 9744), (8688, 9338)]