31877440

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 168

約数和(自身を含む): 93817440

約数和(自身を除く): 61940000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 107, 112, 133, 140, 152, 160, 190, 196, 214, 224, 245, 266, 280, 304, 320, 380, 392, 428, 448, 490, 532, 535, 560, 608, 665, 749, 760, 784, 856, 931, 980, 1064, 1070, 1120, 1216, 1330, 1498, 1520, 1568, 1712, 1862, 1960, 2033, 2128, 2140, 2240, 2660, 2996, 3040, 3136, 3424, 3724, 3745, 3920, 4066, 4256, 4280, 4655, 5243, 5320, 5992, 6080, 6848, 7448, 7490, 7840, 8132, 8512, 8560, 9310, 10165, 10486, 10640, 11984, 14231, 14896, 14980, 15680, 16264, 17120, 18620, 20330, 20972, 21280, 23968, 26215, 28462, 29792, 29960, 32528, 34240, 37240, 40660, 41944, 42560, 47936, 52430, 56924, 59584, 59920, 65056, 71155, 74480, 81320, 83888, 99617, 104860, 113848, 119840, 130112, 142310, 148960, 162640, 167776, 199234, 209720, 227696, 239680, 284620, 297920, 325280, 335552, 398468, 419440, 455392, 498085, 569240, 650560, 796936, 838880, 910784, 996170, 1138480, 1593872, 1677760, 1992340, 2276960, 3187744, 3984680, 4553920, 6375488, 7969360, 15938720, 31877440]

約数ペア:

[(1, 31877440), (2, 15938720), (4, 7969360), (5, 6375488), (7, 4553920), (8, 3984680), (10, 3187744), (14, 2276960), (16, 1992340), (19, 1677760), (20, 1593872), (28, 1138480), (32, 996170), (35, 910784), (38, 838880), (40, 796936), (49, 650560), (56, 569240), (64, 498085), (70, 455392), (76, 419440), (80, 398468), (95, 335552), (98, 325280), (107, 297920), (112, 284620), (133, 239680), (140, 227696), (152, 209720), (160, 199234), (190, 167776), (196, 162640), (214, 148960), (224, 142310), (245, 130112), (266, 119840), (280, 113848), (304, 104860), (320, 99617), (380, 83888), (392, 81320), (428, 74480), (448, 71155), (490, 65056), (532, 59920), (535, 59584), (560, 56924), (608, 52430), (665, 47936), (749, 42560), (760, 41944), (784, 40660), (856, 37240), (931, 34240), (980, 32528), (1064, 29960), (1070, 29792), (1120, 28462), (1216, 26215), (1330, 23968), (1498, 21280), (1520, 20972), (1568, 20330), (1712, 18620), (1862, 17120), (1960, 16264), (2033, 15680), (2128, 14980), (2140, 14896), (2240, 14231), (2660, 11984), (2996, 10640), (3040, 10486), (3136, 10165), (3424, 9310), (3724, 8560), (3745, 8512), (3920, 8132), (4066, 7840), (4256, 7490), (4280, 7448), (4655, 6848), (5243, 6080), (5320, 5992)]