About the Number

68728240

68728239 ← → 68728241

2進数表記:100000110001011010110110000

漢数字表記:六千八百七十二万八千二百四十

素因数分解:

2 4 × 5 1 × 7 1 × 31 1 × 37 1 × 107 1

素因数の和:195
約数の個数: 160
約数和(自身を含む): 195416064
約数和(自身を除く): 126687824

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 80, 107, 112, 124, 140, 148, 155, 185, 214, 217, 248, 259, 280, 296, 310, 370, 428, 434, 496, 518, 535, 560, 592, 620, 740, 749, 856, 868, 1036, 1070, 1085, 1147, 1240, 1295, 1480, 1498, 1712, 1736, 2072, 2140, 2170, 2294, 2480, 2590, 2960, 2996, 3317, 3472, 3745, 3959, 4144, 4280, 4340, 4588, 5180, 5735, 5992, 6634, 7490, 7918, 8029, 8560, 8680, 9176, 10360, 11470, 11984, 13268, 14980, 15836, 16058, 16585, 17360, 18352, 19795, 20720, 22940, 23219, 26536, 27713, 29960, 31672, 32116, 33170, 39590, 40145, 45880, 46438, 53072, 55426, 59920, 63344, 64232, 66340, 79180, 80290, 91760, 92876, 110852, 116095, 122729, 128464, 132680, 138565, 158360, 160580, 185752, 221704, 232190, 245458, 265360, 277130, 316720, 321160, 371504, 443408, 464380, 490916, 554260, 613645, 642320, 859103, 928760, 981832, 1108520, 1227290, 1718206, 1857520, 1963664, 2217040, 2454580, 3436412, 4295515, 4909160, 6872824, 8591030, 9818320, 13745648, 17182060, 34364120, 68728240]

約数ペア:
[(1, 68728240), (2, 34364120), (4, 17182060), (5, 13745648), (7, 9818320), (8, 8591030), (10, 6872824), (14, 4909160), (16, 4295515), (20, 3436412), (28, 2454580), (31, 2217040), (35, 1963664), (37, 1857520), (40, 1718206), (56, 1227290), (62, 1108520), (70, 981832), (74, 928760), (80, 859103), (107, 642320), (112, 613645), (124, 554260), (140, 490916), (148, 464380), (155, 443408), (185, 371504), (214, 321160), (217, 316720), (248, 277130), (259, 265360), (280, 245458), (296, 232190), (310, 221704), (370, 185752), (428, 160580), (434, 158360), (496, 138565), (518, 132680), (535, 128464), (560, 122729), (592, 116095), (620, 110852), (740, 92876), (749, 91760), (856, 80290), (868, 79180), (1036, 66340), (1070, 64232), (1085, 63344), (1147, 59920), (1240, 55426), (1295, 53072), (1480, 46438), (1498, 45880), (1712, 40145), (1736, 39590), (2072, 33170), (2140, 32116), (2170, 31672), (2294, 29960), (2480, 27713), (2590, 26536), (2960, 23219), (2996, 22940), (3317, 20720), (3472, 19795), (3745, 18352), (3959, 17360), (4144, 16585), (4280, 16058), (4340, 15836), (4588, 14980), (5180, 13268), (5735, 11984), (5992, 11470), (6634, 10360), (7490, 9176), (7918, 8680), (8029, 8560)]

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