18457320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 66813120

約数和(自身を除く): 48355800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 49, 56, 60, 70, 73, 84, 86, 98, 105, 120, 129, 140, 146, 147, 168, 172, 196, 210, 215, 219, 245, 258, 280, 292, 294, 301, 344, 365, 392, 420, 430, 438, 490, 511, 516, 584, 588, 602, 645, 730, 735, 840, 860, 876, 903, 980, 1022, 1032, 1095, 1176, 1204, 1290, 1460, 1470, 1505, 1533, 1720, 1752, 1806, 1960, 2044, 2107, 2190, 2408, 2555, 2580, 2920, 2940, 3010, 3066, 3139, 3577, 3612, 4088, 4214, 4380, 4515, 5110, 5160, 5880, 6020, 6132, 6278, 6321, 7154, 7224, 7665, 8428, 8760, 9030, 9417, 10220, 10535, 10731, 12040, 12264, 12556, 12642, 14308, 15330, 15695, 16856, 17885, 18060, 18834, 20440, 21070, 21462, 21973, 25112, 25284, 28616, 30660, 31390, 31605, 35770, 36120, 37668, 42140, 42924, 43946, 47085, 50568, 53655, 61320, 62780, 63210, 65919, 71540, 75336, 84280, 85848, 87892, 94170, 107310, 109865, 125560, 126420, 131838, 143080, 153811, 175784, 188340, 214620, 219730, 252840, 263676, 307622, 329595, 376680, 429240, 439460, 461433, 527352, 615244, 659190, 769055, 878920, 922866, 1230488, 1318380, 1538110, 1845732, 2307165, 2636760, 3076220, 3691464, 4614330, 6152440, 9228660, 18457320]

約数ペア:

[(1, 18457320), (2, 9228660), (3, 6152440), (4, 4614330), (5, 3691464), (6, 3076220), (7, 2636760), (8, 2307165), (10, 1845732), (12, 1538110), (14, 1318380), (15, 1230488), (20, 922866), (21, 878920), (24, 769055), (28, 659190), (30, 615244), (35, 527352), (40, 461433), (42, 439460), (43, 429240), (49, 376680), (56, 329595), (60, 307622), (70, 263676), (73, 252840), (84, 219730), (86, 214620), (98, 188340), (105, 175784), (120, 153811), (129, 143080), (140, 131838), (146, 126420), (147, 125560), (168, 109865), (172, 107310), (196, 94170), (210, 87892), (215, 85848), (219, 84280), (245, 75336), (258, 71540), (280, 65919), (292, 63210), (294, 62780), (301, 61320), (344, 53655), (365, 50568), (392, 47085), (420, 43946), (430, 42924), (438, 42140), (490, 37668), (511, 36120), (516, 35770), (584, 31605), (588, 31390), (602, 30660), (645, 28616), (730, 25284), (735, 25112), (840, 21973), (860, 21462), (876, 21070), (903, 20440), (980, 18834), (1022, 18060), (1032, 17885), (1095, 16856), (1176, 15695), (1204, 15330), (1290, 14308), (1460, 12642), (1470, 12556), (1505, 12264), (1533, 12040), (1720, 10731), (1752, 10535), (1806, 10220), (1960, 9417), (2044, 9030), (2107, 8760), (2190, 8428), (2408, 7665), (2555, 7224), (2580, 7154), (2920, 6321), (2940, 6278), (3010, 6132), (3066, 6020), (3139, 5880), (3577, 5160), (3612, 5110), (4088, 4515), (4214, 4380)]