1820741104

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 240

約数和(自身を含む): 4705413120

約数和(自身を除く): 2884672016

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 31, 52, 56, 58, 62, 91, 104, 107, 112, 116, 124, 169, 182, 203, 208, 214, 217, 232, 248, 338, 364, 377, 403, 406, 428, 434, 464, 496, 676, 728, 749, 754, 806, 812, 856, 868, 899, 1183, 1352, 1391, 1456, 1498, 1508, 1612, 1624, 1712, 1736, 1798, 2366, 2639, 2704, 2782, 2821, 2996, 3016, 3103, 3224, 3248, 3317, 3472, 3596, 4732, 4901, 5239, 5278, 5564, 5642, 5992, 6032, 6206, 6293, 6448, 6634, 7192, 9464, 9737, 9802, 10478, 10556, 11128, 11284, 11687, 11984, 12412, 12586, 13268, 14384, 18083, 18928, 19474, 19604, 20956, 21112, 21721, 22256, 22568, 23219, 23374, 24824, 25172, 26536, 34307, 36166, 36673, 38948, 39208, 40339, 41912, 42224, 43121, 43442, 45136, 46438, 46748, 49648, 50344, 53072, 68614, 72332, 73346, 77896, 78416, 80678, 81809, 83824, 86242, 86884, 92876, 93496, 96193, 100688, 126581, 137228, 144664, 146692, 151931, 155792, 161356, 163618, 172484, 173768, 185752, 186992, 192386, 253162, 274456, 282373, 289328, 293384, 301847, 303862, 322712, 327236, 344968, 347536, 371504, 384772, 506324, 524407, 548912, 560573, 564746, 586768, 603694, 607724, 645424, 654472, 673351, 689936, 769544, 1012648, 1048814, 1063517, 1121146, 1129492, 1207388, 1215448, 1250509, 1308944, 1346702, 1539088, 2025296, 2097628, 2127034, 2242292, 2258984, 2414776, 2430896, 2501018, 2693404, 3670849, 3924011, 4195256, 4254068, 4484584, 4517968, 4829552, 5002036, 5386808, 7341698, 7848022, 8390512, 8508136, 8753563, 8969168, 10004072, 10773616, 14683396, 15696044, 16256617, 17016272, 17507126, 20008144, 29366792, 31392088, 32513234, 35014252, 58733584, 62784176, 65026468, 70028504, 113796319, 130052936, 140057008, 227592638, 260105872, 455185276, 910370552, 1820741104]

約数ペア:

[(1, 1820741104), (2, 910370552), (4, 455185276), (7, 260105872), (8, 227592638), (13, 140057008), (14, 130052936), (16, 113796319), (26, 70028504), (28, 65026468), (29, 62784176), (31, 58733584), (52, 35014252), (56, 32513234), (58, 31392088), (62, 29366792), (91, 20008144), (104, 17507126), (107, 17016272), (112, 16256617), (116, 15696044), (124, 14683396), (169, 10773616), (182, 10004072), (203, 8969168), (208, 8753563), (214, 8508136), (217, 8390512), (232, 7848022), (248, 7341698), (338, 5386808), (364, 5002036), (377, 4829552), (403, 4517968), (406, 4484584), (428, 4254068), (434, 4195256), (464, 3924011), (496, 3670849), (676, 2693404), (728, 2501018), (749, 2430896), (754, 2414776), (806, 2258984), (812, 2242292), (856, 2127034), (868, 2097628), (899, 2025296), (1183, 1539088), (1352, 1346702), (1391, 1308944), (1456, 1250509), (1498, 1215448), (1508, 1207388), (1612, 1129492), (1624, 1121146), (1712, 1063517), (1736, 1048814), (1798, 1012648), (2366, 769544), (2639, 689936), (2704, 673351), (2782, 654472), (2821, 645424), (2996, 607724), (3016, 603694), (3103, 586768), (3224, 564746), (3248, 560573), (3317, 548912), (3472, 524407), (3596, 506324), (4732, 384772), (4901, 371504), (5239, 347536), (5278, 344968), (5564, 327236), (5642, 322712), (5992, 303862), (6032, 301847), (6206, 293384), (6293, 289328), (6448, 282373), (6634, 274456), (7192, 253162), (9464, 192386), (9737, 186992), (9802, 185752), (10478, 173768), (10556, 172484), (11128, 163618), (11284, 161356), (11687, 155792), (11984, 151931), (12412, 146692), (12586, 144664), (13268, 137228), (14384, 126581), (18083, 100688), (18928, 96193), (19474, 93496), (19604, 92876), (20956, 86884), (21112, 86242), (21721, 83824), (22256, 81809), (22568, 80678), (23219, 78416), (23374, 77896), (24824, 73346), (25172, 72332), (26536, 68614), (34307, 53072), (36166, 50344), (36673, 49648), (38948, 46748), (39208, 46438), (40339, 45136), (41912, 43442), (42224, 43121)]