81960984

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:364

約数の個数: 192

約数和(自身を含む): 277804800

約数和(自身を除く): 195843816

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 81, 84, 108, 114, 126, 133, 152, 162, 168, 171, 189, 216, 228, 243, 252, 266, 317, 324, 342, 378, 399, 456, 486, 504, 513, 532, 567, 634, 648, 684, 756, 798, 951, 972, 1026, 1064, 1134, 1197, 1268, 1368, 1512, 1539, 1596, 1701, 1902, 1944, 2052, 2219, 2268, 2394, 2536, 2853, 3078, 3192, 3402, 3591, 3804, 4104, 4438, 4536, 4617, 4788, 5706, 6023, 6156, 6657, 6804, 7182, 7608, 8559, 8876, 9234, 9576, 10773, 11412, 12046, 12312, 13314, 13608, 14364, 17118, 17752, 18069, 18468, 19971, 21546, 22824, 24092, 25677, 26628, 28728, 32319, 34236, 36138, 36936, 39942, 42161, 43092, 48184, 51354, 53256, 54207, 59913, 64638, 68472, 72276, 77031, 79884, 84322, 86184, 102708, 108414, 119826, 126483, 129276, 144552, 154062, 159768, 162621, 168644, 179739, 205416, 216828, 239652, 252966, 258552, 308124, 325242, 337288, 359478, 379449, 433656, 479304, 487863, 505932, 539217, 616248, 650484, 718956, 758898, 975726, 1011864, 1078434, 1138347, 1300968, 1437912, 1463589, 1517796, 1951452, 2156868, 2276694, 2927178, 3035592, 3415041, 3902904, 4313736, 4553388, 5854356, 6830082, 9106776, 10245123, 11708712, 13660164, 20490246, 27320328, 40980492, 81960984]

約数ペア:

[(1, 81960984), (2, 40980492), (3, 27320328), (4, 20490246), (6, 13660164), (7, 11708712), (8, 10245123), (9, 9106776), (12, 6830082), (14, 5854356), (18, 4553388), (19, 4313736), (21, 3902904), (24, 3415041), (27, 3035592), (28, 2927178), (36, 2276694), (38, 2156868), (42, 1951452), (54, 1517796), (56, 1463589), (57, 1437912), (63, 1300968), (72, 1138347), (76, 1078434), (81, 1011864), (84, 975726), (108, 758898), (114, 718956), (126, 650484), (133, 616248), (152, 539217), (162, 505932), (168, 487863), (171, 479304), (189, 433656), (216, 379449), (228, 359478), (243, 337288), (252, 325242), (266, 308124), (317, 258552), (324, 252966), (342, 239652), (378, 216828), (399, 205416), (456, 179739), (486, 168644), (504, 162621), (513, 159768), (532, 154062), (567, 144552), (634, 129276), (648, 126483), (684, 119826), (756, 108414), (798, 102708), (951, 86184), (972, 84322), (1026, 79884), (1064, 77031), (1134, 72276), (1197, 68472), (1268, 64638), (1368, 59913), (1512, 54207), (1539, 53256), (1596, 51354), (1701, 48184), (1902, 43092), (1944, 42161), (2052, 39942), (2219, 36936), (2268, 36138), (2394, 34236), (2536, 32319), (2853, 28728), (3078, 26628), (3192, 25677), (3402, 24092), (3591, 22824), (3804, 21546), (4104, 19971), (4438, 18468), (4536, 18069), (4617, 17752), (4788, 17118), (5706, 14364), (6023, 13608), (6156, 13314), (6657, 12312), (6804, 12046), (7182, 11412), (7608, 10773), (8559, 9576), (8876, 9234)]