About the Number

131442720

131442719 ← → 131442721

2進数表記:111110101011010100000100000

漢数字表記:一億三千百四十四万二千七百二十

素因数分解:

2 5 × 3 1 × 5 1 × 41 1 × 6679 1

素因数の和:6738
約数の個数: 96
約数和(自身を含む): 424206720
約数和(自身を除く): 292764000

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 240, 246, 328, 410, 480, 492, 615, 656, 820, 984, 1230, 1312, 1640, 1968, 2460, 3280, 3936, 4920, 6560, 6679, 9840, 13358, 19680, 20037, 26716, 33395, 40074, 53432, 66790, 80148, 100185, 106864, 133580, 160296, 200370, 213728, 267160, 273839, 320592, 400740, 534320, 547678, 641184, 801480, 821517, 1068640, 1095356, 1369195, 1602960, 1643034, 2190712, 2738390, 3205920, 3286068, 4107585, 4381424, 5476780, 6572136, 8215170, 8762848, 10953560, 13144272, 16430340, 21907120, 26288544, 32860680, 43814240, 65721360, 131442720]

約数ペア:
[(1, 131442720), (2, 65721360), (3, 43814240), (4, 32860680), (5, 26288544), (6, 21907120), (8, 16430340), (10, 13144272), (12, 10953560), (15, 8762848), (16, 8215170), (20, 6572136), (24, 5476780), (30, 4381424), (32, 4107585), (40, 3286068), (41, 3205920), (48, 2738390), (60, 2190712), (80, 1643034), (82, 1602960), (96, 1369195), (120, 1095356), (123, 1068640), (160, 821517), (164, 801480), (205, 641184), (240, 547678), (246, 534320), (328, 400740), (410, 320592), (480, 273839), (492, 267160), (615, 213728), (656, 200370), (820, 160296), (984, 133580), (1230, 106864), (1312, 100185), (1640, 80148), (1968, 66790), (2460, 53432), (3280, 40074), (3936, 33395), (4920, 26716), (6560, 20037), (6679, 19680), (9840, 13358)]

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