About the Number

1380815856

1380815855 ← → 1380815857

2進数表記:1010010010011011001001111110000

漢数字表記:十三億八千八十一万五千八百五十六

素因数分解:

2 4 × 3 3 × 7 1 × 23 1 × 19853 1

素因数の和:19900
約数の個数: 160
約数和(自身を含む): 4726840320
約数和(自身を除く): 3346024464

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 36, 42, 46, 48, 54, 56, 63, 69, 72, 84, 92, 108, 112, 126, 138, 144, 161, 168, 184, 189, 207, 216, 252, 276, 322, 336, 368, 378, 414, 432, 483, 504, 552, 621, 644, 756, 828, 966, 1008, 1104, 1242, 1288, 1449, 1512, 1656, 1932, 2484, 2576, 2898, 3024, 3312, 3864, 4347, 4968, 5796, 7728, 8694, 9936, 11592, 17388, 19853, 23184, 34776, 39706, 59559, 69552, 79412, 119118, 138971, 158824, 178677, 238236, 277942, 317648, 357354, 416913, 456619, 476472, 536031, 555884, 714708, 833826, 913238, 952944, 1072062, 1111768, 1250739, 1369857, 1429416, 1667652, 1826476, 2144124, 2223536, 2501478, 2739714, 2858832, 3196333, 3335304, 3652952, 3752217, 4109571, 4288248, 5002956, 5479428, 6392666, 6670608, 7305904, 7504434, 8219142, 8576496, 9588999, 10005912, 10958856, 12328713, 12785332, 15008868, 16438284, 19177998, 20011824, 21917712, 24657426, 25570664, 28766997, 30017736, 32876568, 38355996, 49314852, 51141328, 57533994, 60035472, 65753136, 76711992, 86300991, 98629704, 115067988, 153423984, 172601982, 197259408, 230135976, 345203964, 460271952, 690407928, 1380815856]

約数ペア:
[(1, 1380815856), (2, 690407928), (3, 460271952), (4, 345203964), (6, 230135976), (7, 197259408), (8, 172601982), (9, 153423984), (12, 115067988), (14, 98629704), (16, 86300991), (18, 76711992), (21, 65753136), (23, 60035472), (24, 57533994), (27, 51141328), (28, 49314852), (36, 38355996), (42, 32876568), (46, 30017736), (48, 28766997), (54, 25570664), (56, 24657426), (63, 21917712), (69, 20011824), (72, 19177998), (84, 16438284), (92, 15008868), (108, 12785332), (112, 12328713), (126, 10958856), (138, 10005912), (144, 9588999), (161, 8576496), (168, 8219142), (184, 7504434), (189, 7305904), (207, 6670608), (216, 6392666), (252, 5479428), (276, 5002956), (322, 4288248), (336, 4109571), (368, 3752217), (378, 3652952), (414, 3335304), (432, 3196333), (483, 2858832), (504, 2739714), (552, 2501478), (621, 2223536), (644, 2144124), (756, 1826476), (828, 1667652), (966, 1429416), (1008, 1369857), (1104, 1250739), (1242, 1111768), (1288, 1072062), (1449, 952944), (1512, 913238), (1656, 833826), (1932, 714708), (2484, 555884), (2576, 536031), (2898, 476472), (3024, 456619), (3312, 416913), (3864, 357354), (4347, 317648), (4968, 277942), (5796, 238236), (7728, 178677), (8694, 158824), (9936, 138971), (11592, 119118), (17388, 79412), (19853, 69552), (23184, 59559), (34776, 39706)]

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