231334880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1601

約数の個数: 144

約数和(自身を含む): 669649680

約数和(自身を除く): 438314800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1330, 1520, 1553, 1568, 1862, 1960, 2128, 2660, 3040, 3106, 3724, 3920, 4256, 4655, 5320, 6212, 7448, 7765, 7840, 9310, 10640, 10871, 12424, 14896, 15530, 18620, 21280, 21742, 24848, 29507, 29792, 31060, 37240, 43484, 49696, 54355, 59014, 62120, 74480, 76097, 86968, 108710, 118028, 124240, 147535, 148960, 152194, 173936, 206549, 217420, 236056, 248480, 295070, 304388, 347872, 380485, 413098, 434840, 472112, 590140, 608776, 760970, 826196, 869680, 944224, 1032745, 1180280, 1217552, 1445843, 1521940, 1652392, 1739360, 2065490, 2360560, 2435104, 2891686, 3043880, 3304784, 4130980, 4721120, 5783372, 6087760, 6609568, 7229215, 8261960, 11566744, 12175520, 14458430, 16523920, 23133488, 28916860, 33047840, 46266976, 57833720, 115667440, 231334880]

約数ペア:

[(1, 231334880), (2, 115667440), (4, 57833720), (5, 46266976), (7, 33047840), (8, 28916860), (10, 23133488), (14, 16523920), (16, 14458430), (19, 12175520), (20, 11566744), (28, 8261960), (32, 7229215), (35, 6609568), (38, 6087760), (40, 5783372), (49, 4721120), (56, 4130980), (70, 3304784), (76, 3043880), (80, 2891686), (95, 2435104), (98, 2360560), (112, 2065490), (133, 1739360), (140, 1652392), (152, 1521940), (160, 1445843), (190, 1217552), (196, 1180280), (224, 1032745), (245, 944224), (266, 869680), (280, 826196), (304, 760970), (380, 608776), (392, 590140), (490, 472112), (532, 434840), (560, 413098), (608, 380485), (665, 347872), (760, 304388), (784, 295070), (931, 248480), (980, 236056), (1064, 217420), (1120, 206549), (1330, 173936), (1520, 152194), (1553, 148960), (1568, 147535), (1862, 124240), (1960, 118028), (2128, 108710), (2660, 86968), (3040, 76097), (3106, 74480), (3724, 62120), (3920, 59014), (4256, 54355), (4655, 49696), (5320, 43484), (6212, 37240), (7448, 31060), (7765, 29792), (7840, 29507), (9310, 24848), (10640, 21742), (10871, 21280), (12424, 18620), (14896, 15530)]