About the Number

1686749680

1686749679 ← → 1686749681

2進数表記:1100100100010011100000111110000

漢数字表記:十六億八千六百七十四万九千六百八十

素因数分解:

2 4 × 5 1 × 7 1 × 11 3 × 31 1 × 73 1

素因数の和:157
約数の個数: 320
約数和(自身を含む): 5158526976
約数和(自身を除く): 3471777296

約数列:
[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 73, 77, 80, 88, 110, 112, 121, 124, 140, 146, 154, 155, 176, 217, 220, 242, 248, 280, 292, 308, 310, 341, 365, 385, 434, 440, 484, 496, 511, 560, 584, 605, 616, 620, 682, 730, 770, 803, 847, 868, 880, 968, 1022, 1085, 1168, 1210, 1232, 1240, 1331, 1364, 1460, 1540, 1606, 1694, 1705, 1736, 1936, 2044, 2170, 2263, 2387, 2420, 2480, 2555, 2662, 2728, 2920, 3080, 3212, 3388, 3410, 3472, 3751, 4015, 4088, 4235, 4340, 4526, 4774, 4840, 5110, 5324, 5456, 5621, 5840, 6160, 6424, 6655, 6776, 6820, 7502, 8030, 8176, 8470, 8680, 8833, 9052, 9317, 9548, 9680, 10220, 10648, 11242, 11315, 11935, 12848, 13310, 13552, 13640, 15004, 15841, 16060, 16940, 17360, 17666, 18104, 18634, 18755, 19096, 20440, 21296, 22484, 22630, 23870, 24893, 26257, 26620, 27280, 28105, 30008, 31682, 32120, 33880, 35332, 36208, 37268, 37510, 38192, 40880, 41261, 44165, 44968, 45260, 46585, 47740, 49786, 52514, 53240, 56210, 60016, 61831, 63364, 64240, 67760, 70664, 74536, 75020, 79205, 82522, 88330, 89936, 90520, 93170, 95480, 97163, 99572, 105028, 106480, 112420, 123662, 124465, 126728, 131285, 141328, 149072, 150040, 158410, 165044, 174251, 176660, 181040, 186340, 190960, 194326, 199144, 206305, 210056, 224840, 247324, 248930, 253456, 262570, 273823, 288827, 300080, 309155, 316820, 330088, 348502, 353320, 372680, 388652, 398288, 412610, 420112, 449680, 485815, 494648, 497860, 525140, 547646, 577654, 618310, 633640, 660176, 680141, 697004, 706640, 745360, 777304, 825220, 871255, 971630, 989296, 995720, 1050280, 1095292, 1155308, 1236620, 1267280, 1360282, 1369115, 1394008, 1444135, 1554608, 1650440, 1742510, 1916761, 1943260, 1991440, 2100560, 2190584, 2310616, 2473240, 2720564, 2738230, 2788016, 2888270, 3012053, 3300880, 3400705, 3485020, 3833522, 3886520, 4381168, 4621232, 4946480, 5441128, 5476460, 5776540, 6024106, 6801410, 6970040, 7667044, 7773040, 9583805, 10882256, 10952920, 11553080, 12048212, 13602820, 13940080, 15060265, 15334088, 19167610, 21084371, 21905840, 23106160, 24096424, 27205640, 30120530, 30668176, 38335220, 42168742, 48192848, 54411280, 60241060, 76670440, 84337484, 105421855, 120482120, 153340880, 168674968, 210843710, 240964240, 337349936, 421687420, 843374840, 1686749680]

約数ペア:
[(1, 1686749680), (2, 843374840), (4, 421687420), (5, 337349936), (7, 240964240), (8, 210843710), (10, 168674968), (11, 153340880), (14, 120482120), (16, 105421855), (20, 84337484), (22, 76670440), (28, 60241060), (31, 54411280), (35, 48192848), (40, 42168742), (44, 38335220), (55, 30668176), (56, 30120530), (62, 27205640), (70, 24096424), (73, 23106160), (77, 21905840), (80, 21084371), (88, 19167610), (110, 15334088), (112, 15060265), (121, 13940080), (124, 13602820), (140, 12048212), (146, 11553080), (154, 10952920), (155, 10882256), (176, 9583805), (217, 7773040), (220, 7667044), (242, 6970040), (248, 6801410), (280, 6024106), (292, 5776540), (308, 5476460), (310, 5441128), (341, 4946480), (365, 4621232), (385, 4381168), (434, 3886520), (440, 3833522), (484, 3485020), (496, 3400705), (511, 3300880), (560, 3012053), (584, 2888270), (605, 2788016), (616, 2738230), (620, 2720564), (682, 2473240), (730, 2310616), (770, 2190584), (803, 2100560), (847, 1991440), (868, 1943260), (880, 1916761), (968, 1742510), (1022, 1650440), (1085, 1554608), (1168, 1444135), (1210, 1394008), (1232, 1369115), (1240, 1360282), (1331, 1267280), (1364, 1236620), (1460, 1155308), (1540, 1095292), (1606, 1050280), (1694, 995720), (1705, 989296), (1736, 971630), (1936, 871255), (2044, 825220), (2170, 777304), (2263, 745360), (2387, 706640), (2420, 697004), (2480, 680141), (2555, 660176), (2662, 633640), (2728, 618310), (2920, 577654), (3080, 547646), (3212, 525140), (3388, 497860), (3410, 494648), (3472, 485815), (3751, 449680), (4015, 420112), (4088, 412610), (4235, 398288), (4340, 388652), (4526, 372680), (4774, 353320), (4840, 348502), (5110, 330088), (5324, 316820), (5456, 309155), (5621, 300080), (5840, 288827), (6160, 273823), (6424, 262570), (6655, 253456), (6776, 248930), (6820, 247324), (7502, 224840), (8030, 210056), (8176, 206305), (8470, 199144), (8680, 194326), (8833, 190960), (9052, 186340), (9317, 181040), (9548, 176660), (9680, 174251), (10220, 165044), (10648, 158410), (11242, 150040), (11315, 149072), (11935, 141328), (12848, 131285), (13310, 126728), (13552, 124465), (13640, 123662), (15004, 112420), (15841, 106480), (16060, 105028), (16940, 99572), (17360, 97163), (17666, 95480), (18104, 93170), (18634, 90520), (18755, 89936), (19096, 88330), (20440, 82522), (21296, 79205), (22484, 75020), (22630, 74536), (23870, 70664), (24893, 67760), (26257, 64240), (26620, 63364), (27280, 61831), (28105, 60016), (30008, 56210), (31682, 53240), (32120, 52514), (33880, 49786), (35332, 47740), (36208, 46585), (37268, 45260), (37510, 44968), (38192, 44165), (40880, 41261)]

このpageの処理時間: 0.061353206634521484 seconds