81960528

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 248872960

約数和(自身を除く): 166912432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 31, 38, 39, 48, 52, 57, 62, 76, 78, 93, 104, 114, 124, 152, 156, 186, 208, 223, 228, 247, 248, 304, 312, 372, 403, 446, 456, 494, 496, 589, 624, 669, 741, 744, 806, 892, 912, 988, 1178, 1209, 1338, 1482, 1488, 1612, 1767, 1784, 1976, 2356, 2418, 2676, 2899, 2964, 3224, 3534, 3568, 3952, 4237, 4712, 4836, 5352, 5798, 5928, 6448, 6913, 7068, 7657, 8474, 8697, 9424, 9672, 10704, 11596, 11856, 12711, 13826, 14136, 15314, 16948, 17394, 19344, 20739, 22971, 23192, 25422, 27652, 28272, 30628, 33896, 34788, 41478, 45942, 46384, 50844, 55081, 55304, 61256, 67792, 69576, 82956, 89869, 91884, 101688, 110162, 110608, 122512, 131347, 139152, 165243, 165912, 179738, 183768, 203376, 220324, 262694, 269607, 330486, 331824, 359476, 367536, 394041, 440648, 525388, 539214, 660972, 718952, 788082, 881296, 1050776, 1078428, 1321944, 1437904, 1576164, 1707511, 2101552, 2156856, 2643888, 3152328, 3415022, 4313712, 5122533, 6304656, 6830044, 10245066, 13660088, 20490132, 27320176, 40980264, 81960528]

約数ペア:

[(1, 81960528), (2, 40980264), (3, 27320176), (4, 20490132), (6, 13660088), (8, 10245066), (12, 6830044), (13, 6304656), (16, 5122533), (19, 4313712), (24, 3415022), (26, 3152328), (31, 2643888), (38, 2156856), (39, 2101552), (48, 1707511), (52, 1576164), (57, 1437904), (62, 1321944), (76, 1078428), (78, 1050776), (93, 881296), (104, 788082), (114, 718952), (124, 660972), (152, 539214), (156, 525388), (186, 440648), (208, 394041), (223, 367536), (228, 359476), (247, 331824), (248, 330486), (304, 269607), (312, 262694), (372, 220324), (403, 203376), (446, 183768), (456, 179738), (494, 165912), (496, 165243), (589, 139152), (624, 131347), (669, 122512), (741, 110608), (744, 110162), (806, 101688), (892, 91884), (912, 89869), (988, 82956), (1178, 69576), (1209, 67792), (1338, 61256), (1482, 55304), (1488, 55081), (1612, 50844), (1767, 46384), (1784, 45942), (1976, 41478), (2356, 34788), (2418, 33896), (2676, 30628), (2899, 28272), (2964, 27652), (3224, 25422), (3534, 23192), (3568, 22971), (3952, 20739), (4237, 19344), (4712, 17394), (4836, 16948), (5352, 15314), (5798, 14136), (5928, 13826), (6448, 12711), (6913, 11856), (7068, 11596), (7657, 10704), (8474, 9672), (8697, 9424)]