251497680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7879}}^1$

素因数の和:7921

約数の個数: 160

約数和(自身を含む): 938035200

約数和(自身を除く): 686537520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 7879, 7980, 10640, 15758, 15960, 23637, 31516, 31920, 39395, 47274, 55153, 63032, 78790, 94548, 110306, 118185, 126064, 149701, 157580, 165459, 189096, 220612, 236370, 275765, 299402, 315160, 330918, 378192, 441224, 449103, 472740, 551530, 598804, 630320, 661836, 748505, 827295, 882448, 898206, 945480, 1047907, 1103060, 1197608, 1323672, 1497010, 1654590, 1796412, 1890960, 2095814, 2206120, 2245515, 2395216, 2647344, 2994020, 3143721, 3309180, 3592824, 4191628, 4412240, 4491030, 5239535, 5988040, 6287442, 6618360, 7185648, 8383256, 8982060, 10479070, 11976080, 12574884, 13236720, 15718605, 16766512, 17964120, 20958140, 25149768, 31437210, 35928240, 41916280, 50299536, 62874420, 83832560, 125748840, 251497680]

約数ペア:

[(1, 251497680), (2, 125748840), (3, 83832560), (4, 62874420), (5, 50299536), (6, 41916280), (7, 35928240), (8, 31437210), (10, 25149768), (12, 20958140), (14, 17964120), (15, 16766512), (16, 15718605), (19, 13236720), (20, 12574884), (21, 11976080), (24, 10479070), (28, 8982060), (30, 8383256), (35, 7185648), (38, 6618360), (40, 6287442), (42, 5988040), (48, 5239535), (56, 4491030), (57, 4412240), (60, 4191628), (70, 3592824), (76, 3309180), (80, 3143721), (84, 2994020), (95, 2647344), (105, 2395216), (112, 2245515), (114, 2206120), (120, 2095814), (133, 1890960), (140, 1796412), (152, 1654590), (168, 1497010), (190, 1323672), (210, 1197608), (228, 1103060), (240, 1047907), (266, 945480), (280, 898206), (285, 882448), (304, 827295), (336, 748505), (380, 661836), (399, 630320), (420, 598804), (456, 551530), (532, 472740), (560, 449103), (570, 441224), (665, 378192), (760, 330918), (798, 315160), (840, 299402), (912, 275765), (1064, 236370), (1140, 220612), (1330, 189096), (1520, 165459), (1596, 157580), (1680, 149701), (1995, 126064), (2128, 118185), (2280, 110306), (2660, 94548), (3192, 78790), (3990, 63032), (4560, 55153), (5320, 47274), (6384, 39395), (7879, 31920), (7980, 31516), (10640, 23637), (15758, 15960)]