About the Number
71728020
2進数表記:100010001100111101110010100
漢数字表記:七千百七十二万八千二十
素因数分解:
素因数の和:215
約数の個数: 288
約数和(自身を含む): 278853120
約数和(自身を除く): 207125100
約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 29, 30, 35, 36, 39, 42, 45, 52, 58, 60, 63, 65, 70, 78, 84, 87, 90, 91, 105, 116, 117, 126, 130, 140, 145, 151, 156, 174, 180, 182, 195, 203, 210, 234, 252, 260, 261, 273, 290, 302, 315, 348, 364, 377, 390, 406, 420, 435, 453, 455, 468, 522, 546, 580, 585, 604, 609, 630, 754, 755, 780, 812, 819, 870, 906, 910, 1015, 1044, 1057, 1092, 1131, 1170, 1218, 1260, 1305, 1359, 1365, 1508, 1510, 1638, 1740, 1812, 1820, 1827, 1885, 1963, 2030, 2114, 2262, 2265, 2340, 2436, 2610, 2639, 2718, 2730, 3020, 3045, 3171, 3276, 3393, 3654, 3770, 3926, 4060, 4095, 4228, 4379, 4524, 4530, 5220, 5278, 5285, 5436, 5460, 5655, 5889, 6090, 6342, 6786, 6795, 7308, 7540, 7852, 7917, 8190, 8758, 9060, 9135, 9513, 9815, 10556, 10570, 11310, 11778, 12180, 12684, 13137, 13195, 13572, 13590, 13741, 15834, 15855, 16380, 16965, 17516, 17667, 18270, 19026, 19630, 21140, 21895, 22620, 23556, 23751, 26274, 26390, 27180, 27482, 29445, 30653, 31668, 31710, 33930, 35334, 36540, 38052, 39260, 39411, 39585, 41223, 43790, 47502, 47565, 52548, 52780, 54964, 56927, 58890, 61306, 63420, 65685, 67860, 68705, 70668, 78822, 79170, 82446, 87580, 88335, 91959, 95004, 95130, 113854, 117780, 118755, 122612, 123669, 131370, 137410, 153265, 157644, 158340, 164892, 170781, 176670, 183918, 190260, 197055, 206115, 227708, 237510, 247338, 262740, 274820, 275877, 284635, 306530, 341562, 353340, 367836, 394110, 398489, 412230, 459795, 475020, 494676, 512343, 551754, 569270, 613060, 618345, 683124, 788220, 796978, 824460, 853905, 919590, 1024686, 1103508, 1138540, 1195467, 1236690, 1379385, 1593956, 1707810, 1839180, 1992445, 2049372, 2390934, 2473380, 2561715, 2758770, 3415620, 3586401, 3984890, 4781868, 5123430, 5517540, 5977335, 7172802, 7969780, 10246860, 11954670, 14345604, 17932005, 23909340, 35864010, 71728020]
約数ペア:
[(1, 71728020), (2, 35864010), (3, 23909340), (4, 17932005), (5, 14345604), (6, 11954670), (7, 10246860), (9, 7969780), (10, 7172802), (12, 5977335), (13, 5517540), (14, 5123430), (15, 4781868), (18, 3984890), (20, 3586401), (21, 3415620), (26, 2758770), (28, 2561715), (29, 2473380), (30, 2390934), (35, 2049372), (36, 1992445), (39, 1839180), (42, 1707810), (45, 1593956), (52, 1379385), (58, 1236690), (60, 1195467), (63, 1138540), (65, 1103508), (70, 1024686), (78, 919590), (84, 853905), (87, 824460), (90, 796978), (91, 788220), (105, 683124), (116, 618345), (117, 613060), (126, 569270), (130, 551754), (140, 512343), (145, 494676), (151, 475020), (156, 459795), (174, 412230), (180, 398489), (182, 394110), (195, 367836), (203, 353340), (210, 341562), (234, 306530), (252, 284635), (260, 275877), (261, 274820), (273, 262740), (290, 247338), (302, 237510), (315, 227708), (348, 206115), (364, 197055), (377, 190260), (390, 183918), (406, 176670), (420, 170781), (435, 164892), (453, 158340), (455, 157644), (468, 153265), (522, 137410), (546, 131370), (580, 123669), (585, 122612), (604, 118755), (609, 117780), (630, 113854), (754, 95130), (755, 95004), (780, 91959), (812, 88335), (819, 87580), (870, 82446), (906, 79170), (910, 78822), (1015, 70668), (1044, 68705), (1057, 67860), (1092, 65685), (1131, 63420), (1170, 61306), (1218, 58890), (1260, 56927), (1305, 54964), (1359, 52780), (1365, 52548), (1508, 47565), (1510, 47502), (1638, 43790), (1740, 41223), (1812, 39585), (1820, 39411), (1827, 39260), (1885, 38052), (1963, 36540), (2030, 35334), (2114, 33930), (2262, 31710), (2265, 31668), (2340, 30653), (2436, 29445), (2610, 27482), (2639, 27180), (2718, 26390), (2730, 26274), (3020, 23751), (3045, 23556), (3171, 22620), (3276, 21895), (3393, 21140), (3654, 19630), (3770, 19026), (3926, 18270), (4060, 17667), (4095, 17516), (4228, 16965), (4379, 16380), (4524, 15855), (4530, 15834), (5220, 13741), (5278, 13590), (5285, 13572), (5436, 13195), (5460, 13137), (5655, 12684), (5889, 12180), (6090, 11778), (6342, 11310), (6786, 10570), (6795, 10556), (7308, 9815), (7540, 9513), (7852, 9135), (7917, 9060), (8190, 8758)]このpageの処理時間: 0.00946354866027832 seconds