51613920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:585

約数の個数: 144

約数和(自身を含む): 178908912

約数和(自身を除く): 127294992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 73, 80, 90, 96, 120, 144, 146, 160, 180, 219, 240, 288, 292, 360, 365, 438, 480, 491, 584, 657, 720, 730, 876, 982, 1095, 1168, 1314, 1440, 1460, 1473, 1752, 1964, 2190, 2336, 2455, 2628, 2920, 2946, 3285, 3504, 3928, 4380, 4419, 4910, 5256, 5840, 5892, 6570, 7008, 7365, 7856, 8760, 8838, 9820, 10512, 11680, 11784, 13140, 14730, 15712, 17520, 17676, 19640, 21024, 22095, 23568, 26280, 29460, 35040, 35352, 35843, 39280, 44190, 47136, 52560, 58920, 70704, 71686, 78560, 88380, 105120, 107529, 117840, 141408, 143372, 176760, 179215, 215058, 235680, 286744, 322587, 353520, 358430, 430116, 537645, 573488, 645174, 707040, 716860, 860232, 1075290, 1146976, 1290348, 1433720, 1612935, 1720464, 2150580, 2580696, 2867440, 3225870, 3440928, 4301160, 5161392, 5734880, 6451740, 8602320, 10322784, 12903480, 17204640, 25806960, 51613920]

約数ペア:

[(1, 51613920), (2, 25806960), (3, 17204640), (4, 12903480), (5, 10322784), (6, 8602320), (8, 6451740), (9, 5734880), (10, 5161392), (12, 4301160), (15, 3440928), (16, 3225870), (18, 2867440), (20, 2580696), (24, 2150580), (30, 1720464), (32, 1612935), (36, 1433720), (40, 1290348), (45, 1146976), (48, 1075290), (60, 860232), (72, 716860), (73, 707040), (80, 645174), (90, 573488), (96, 537645), (120, 430116), (144, 358430), (146, 353520), (160, 322587), (180, 286744), (219, 235680), (240, 215058), (288, 179215), (292, 176760), (360, 143372), (365, 141408), (438, 117840), (480, 107529), (491, 105120), (584, 88380), (657, 78560), (720, 71686), (730, 70704), (876, 58920), (982, 52560), (1095, 47136), (1168, 44190), (1314, 39280), (1440, 35843), (1460, 35352), (1473, 35040), (1752, 29460), (1964, 26280), (2190, 23568), (2336, 22095), (2455, 21024), (2628, 19640), (2920, 17676), (2946, 17520), (3285, 15712), (3504, 14730), (3928, 13140), (4380, 11784), (4419, 11680), (4910, 10512), (5256, 9820), (5840, 8838), (5892, 8760), (6570, 7856), (7008, 7365)]