About the Number

201620640

201620639 ← → 201620641

2進数表記:1100000001000111110010100000

漢数字表記:二億百六十二万六百四十

素因数分解:

2 5 × 3 1 × 5 1 × 13 1 × 79 1 × 409 1

素因数の和:519
約数の個数: 192
約数和(自身を含む): 694310400
約数和(自身を除く): 492689760

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 79, 80, 96, 104, 120, 130, 156, 158, 160, 195, 208, 237, 240, 260, 312, 316, 390, 395, 409, 416, 474, 480, 520, 624, 632, 780, 790, 818, 948, 1027, 1040, 1185, 1227, 1248, 1264, 1560, 1580, 1636, 1896, 2045, 2054, 2080, 2370, 2454, 2528, 3081, 3120, 3160, 3272, 3792, 4090, 4108, 4740, 4908, 5135, 5317, 6135, 6162, 6240, 6320, 6544, 7584, 8180, 8216, 9480, 9816, 10270, 10634, 12270, 12324, 12640, 13088, 15405, 15951, 16360, 16432, 18960, 19632, 20540, 21268, 24540, 24648, 26585, 30810, 31902, 32311, 32720, 32864, 37920, 39264, 41080, 42536, 49080, 49296, 53170, 61620, 63804, 64622, 65440, 79755, 82160, 85072, 96933, 98160, 98592, 106340, 123240, 127608, 129244, 159510, 161555, 164320, 170144, 193866, 196320, 212680, 246480, 255216, 258488, 319020, 323110, 387732, 420043, 425360, 484665, 492960, 510432, 516976, 638040, 646220, 775464, 840086, 850720, 969330, 1033952, 1260129, 1276080, 1292440, 1550928, 1680172, 1938660, 2100215, 2520258, 2552160, 2584880, 3101856, 3360344, 3877320, 4200430, 5040516, 5169760, 6300645, 6720688, 7754640, 8400860, 10081032, 12601290, 13441376, 15509280, 16801720, 20162064, 25202580, 33603440, 40324128, 50405160, 67206880, 100810320, 201620640]

約数ペア:
[(1, 201620640), (2, 100810320), (3, 67206880), (4, 50405160), (5, 40324128), (6, 33603440), (8, 25202580), (10, 20162064), (12, 16801720), (13, 15509280), (15, 13441376), (16, 12601290), (20, 10081032), (24, 8400860), (26, 7754640), (30, 6720688), (32, 6300645), (39, 5169760), (40, 5040516), (48, 4200430), (52, 3877320), (60, 3360344), (65, 3101856), (78, 2584880), (79, 2552160), (80, 2520258), (96, 2100215), (104, 1938660), (120, 1680172), (130, 1550928), (156, 1292440), (158, 1276080), (160, 1260129), (195, 1033952), (208, 969330), (237, 850720), (240, 840086), (260, 775464), (312, 646220), (316, 638040), (390, 516976), (395, 510432), (409, 492960), (416, 484665), (474, 425360), (480, 420043), (520, 387732), (624, 323110), (632, 319020), (780, 258488), (790, 255216), (818, 246480), (948, 212680), (1027, 196320), (1040, 193866), (1185, 170144), (1227, 164320), (1248, 161555), (1264, 159510), (1560, 129244), (1580, 127608), (1636, 123240), (1896, 106340), (2045, 98592), (2054, 98160), (2080, 96933), (2370, 85072), (2454, 82160), (2528, 79755), (3081, 65440), (3120, 64622), (3160, 63804), (3272, 61620), (3792, 53170), (4090, 49296), (4108, 49080), (4740, 42536), (4908, 41080), (5135, 39264), (5317, 37920), (6135, 32864), (6162, 32720), (6240, 32311), (6320, 31902), (6544, 30810), (7584, 26585), (8180, 24648), (8216, 24540), (9480, 21268), (9816, 20540), (10270, 19632), (10634, 18960), (12270, 16432), (12324, 16360), (12640, 15951), (13088, 15405)]

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