251131320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21139}}^1$

素因数の和:21170

約数の個数: 128

約数和(自身を含む): 913248000

約数和(自身を除く): 662116680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 11880, 21139, 42278, 63417, 84556, 105695, 126834, 169112, 190251, 211390, 232529, 253668, 317085, 380502, 422780, 465058, 507336, 570753, 634170, 697587, 761004, 845560, 930116, 951255, 1141506, 1162645, 1268340, 1395174, 1522008, 1860232, 1902510, 2092761, 2283012, 2325290, 2536680, 2790348, 2853765, 3487935, 3805020, 4185522, 4566024, 4650580, 5580696, 5707530, 6278283, 6975870, 7610040, 8371044, 9301160, 10463805, 11415060, 12556566, 13951740, 16742088, 20927610, 22830120, 25113132, 27903480, 31391415, 41855220, 50226264, 62782830, 83710440, 125565660, 251131320]

約数ペア:

[(1, 251131320), (2, 125565660), (3, 83710440), (4, 62782830), (5, 50226264), (6, 41855220), (8, 31391415), (9, 27903480), (10, 25113132), (11, 22830120), (12, 20927610), (15, 16742088), (18, 13951740), (20, 12556566), (22, 11415060), (24, 10463805), (27, 9301160), (30, 8371044), (33, 7610040), (36, 6975870), (40, 6278283), (44, 5707530), (45, 5580696), (54, 4650580), (55, 4566024), (60, 4185522), (66, 3805020), (72, 3487935), (88, 2853765), (90, 2790348), (99, 2536680), (108, 2325290), (110, 2283012), (120, 2092761), (132, 1902510), (135, 1860232), (165, 1522008), (180, 1395174), (198, 1268340), (216, 1162645), (220, 1141506), (264, 951255), (270, 930116), (297, 845560), (330, 761004), (360, 697587), (396, 634170), (440, 570753), (495, 507336), (540, 465058), (594, 422780), (660, 380502), (792, 317085), (990, 253668), (1080, 232529), (1188, 211390), (1320, 190251), (1485, 169112), (1980, 126834), (2376, 105695), (2970, 84556), (3960, 63417), (5940, 42278), (11880, 21139)]