291450880

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:162

約数の個数: 208

約数和(自身を含む): 849242880

約数和(自身を除く): 557792000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 107, 112, 128, 133, 140, 152, 160, 190, 214, 224, 256, 266, 280, 304, 320, 380, 428, 448, 512, 532, 535, 560, 608, 640, 665, 749, 760, 856, 896, 1024, 1064, 1070, 1120, 1216, 1280, 1330, 1498, 1520, 1712, 1792, 2033, 2048, 2128, 2140, 2240, 2432, 2560, 2660, 2996, 3040, 3424, 3584, 3745, 4066, 4096, 4256, 4280, 4480, 4864, 5120, 5320, 5992, 6080, 6848, 7168, 7490, 8132, 8512, 8560, 8960, 9728, 10165, 10240, 10640, 11984, 12160, 13696, 14231, 14336, 14980, 16264, 17024, 17120, 17920, 19456, 20330, 20480, 21280, 23968, 24320, 27392, 28462, 28672, 29960, 32528, 34048, 34240, 35840, 38912, 40660, 42560, 47936, 48640, 54784, 56924, 59920, 65056, 68096, 68480, 71155, 71680, 77824, 81320, 85120, 95872, 97280, 109568, 113848, 119840, 130112, 136192, 136960, 142310, 143360, 162640, 170240, 191744, 194560, 219136, 227696, 239680, 260224, 272384, 273920, 284620, 325280, 340480, 383488, 389120, 438272, 455392, 479360, 520448, 544768, 547840, 569240, 650560, 680960, 766976, 910784, 958720, 1040896, 1095680, 1138480, 1301120, 1361920, 1533952, 1821568, 1917440, 2081792, 2191360, 2276960, 2602240, 2723840, 3067904, 3643136, 3834880, 4163584, 4553920, 5204480, 7286272, 7669760, 8327168, 9107840, 10408960, 14572544, 15339520, 18215680, 20817920, 29145088, 36431360, 41635840, 58290176, 72862720, 145725440, 291450880]

約数ペア:

[(1, 291450880), (2, 145725440), (4, 72862720), (5, 58290176), (7, 41635840), (8, 36431360), (10, 29145088), (14, 20817920), (16, 18215680), (19, 15339520), (20, 14572544), (28, 10408960), (32, 9107840), (35, 8327168), (38, 7669760), (40, 7286272), (56, 5204480), (64, 4553920), (70, 4163584), (76, 3834880), (80, 3643136), (95, 3067904), (107, 2723840), (112, 2602240), (128, 2276960), (133, 2191360), (140, 2081792), (152, 1917440), (160, 1821568), (190, 1533952), (214, 1361920), (224, 1301120), (256, 1138480), (266, 1095680), (280, 1040896), (304, 958720), (320, 910784), (380, 766976), (428, 680960), (448, 650560), (512, 569240), (532, 547840), (535, 544768), (560, 520448), (608, 479360), (640, 455392), (665, 438272), (749, 389120), (760, 383488), (856, 340480), (896, 325280), (1024, 284620), (1064, 273920), (1070, 272384), (1120, 260224), (1216, 239680), (1280, 227696), (1330, 219136), (1498, 194560), (1520, 191744), (1712, 170240), (1792, 162640), (2033, 143360), (2048, 142310), (2128, 136960), (2140, 136192), (2240, 130112), (2432, 119840), (2560, 113848), (2660, 109568), (2996, 97280), (3040, 95872), (3424, 85120), (3584, 81320), (3745, 77824), (4066, 71680), (4096, 71155), (4256, 68480), (4280, 68096), (4480, 65056), (4864, 59920), (5120, 56924), (5320, 54784), (5992, 48640), (6080, 47936), (6848, 42560), (7168, 40660), (7490, 38912), (8132, 35840), (8512, 34240), (8560, 34048), (8960, 32528), (9728, 29960), (10165, 28672), (10240, 28462), (10640, 27392), (11984, 24320), (12160, 23968), (13696, 21280), (14231, 20480), (14336, 20330), (14980, 19456), (16264, 17920), (17024, 17120)]