16888440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 54950400

約数和(自身を除く): 38061960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 211, 230, 232, 276, 290, 345, 348, 422, 435, 460, 552, 580, 633, 667, 690, 696, 844, 870, 920, 1055, 1160, 1266, 1334, 1380, 1688, 1740, 2001, 2110, 2532, 2668, 2760, 3165, 3335, 3480, 4002, 4220, 4853, 5064, 5336, 6119, 6330, 6670, 8004, 8440, 9706, 10005, 12238, 12660, 13340, 14559, 16008, 18357, 19412, 20010, 24265, 24476, 25320, 26680, 29118, 30595, 36714, 38824, 40020, 48530, 48952, 58236, 61190, 72795, 73428, 80040, 91785, 97060, 116472, 122380, 140737, 145590, 146856, 183570, 194120, 244760, 281474, 291180, 367140, 422211, 562948, 582360, 703685, 734280, 844422, 1125896, 1407370, 1688844, 2111055, 2814740, 3377688, 4222110, 5629480, 8444220, 16888440]

約数ペア:

[(1, 16888440), (2, 8444220), (3, 5629480), (4, 4222110), (5, 3377688), (6, 2814740), (8, 2111055), (10, 1688844), (12, 1407370), (15, 1125896), (20, 844422), (23, 734280), (24, 703685), (29, 582360), (30, 562948), (40, 422211), (46, 367140), (58, 291180), (60, 281474), (69, 244760), (87, 194120), (92, 183570), (115, 146856), (116, 145590), (120, 140737), (138, 122380), (145, 116472), (174, 97060), (184, 91785), (211, 80040), (230, 73428), (232, 72795), (276, 61190), (290, 58236), (345, 48952), (348, 48530), (422, 40020), (435, 38824), (460, 36714), (552, 30595), (580, 29118), (633, 26680), (667, 25320), (690, 24476), (696, 24265), (844, 20010), (870, 19412), (920, 18357), (1055, 16008), (1160, 14559), (1266, 13340), (1334, 12660), (1380, 12238), (1688, 10005), (1740, 9706), (2001, 8440), (2110, 8004), (2532, 6670), (2668, 6330), (2760, 6119), (3165, 5336), (3335, 5064), (3480, 4853), (4002, 4220)]