231311360

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{461}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 647026380

約数和(自身を除く): 415715020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 461, 490, 512, 560, 640, 784, 896, 922, 980, 1024, 1120, 1280, 1568, 1792, 1844, 1960, 2048, 2240, 2305, 2560, 3136, 3227, 3584, 3688, 3920, 4480, 4610, 5120, 6272, 6454, 7168, 7376, 7840, 8960, 9220, 10240, 12544, 12908, 14336, 14752, 15680, 16135, 17920, 18440, 22589, 25088, 25816, 29504, 31360, 32270, 35840, 36880, 45178, 50176, 51632, 59008, 62720, 64540, 71680, 73760, 90356, 100352, 103264, 112945, 118016, 125440, 129080, 147520, 180712, 206528, 225890, 236032, 250880, 258160, 295040, 361424, 413056, 451780, 472064, 501760, 516320, 590080, 722848, 826112, 903560, 944128, 1032640, 1180160, 1445696, 1652224, 1807120, 2065280, 2360320, 2891392, 3304448, 3614240, 4130560, 4720640, 5782784, 6608896, 7228480, 8261120, 11565568, 14456960, 16522240, 23131136, 28913920, 33044480, 46262272, 57827840, 115655680, 231311360]

約数ペア:

[(1, 231311360), (2, 115655680), (4, 57827840), (5, 46262272), (7, 33044480), (8, 28913920), (10, 23131136), (14, 16522240), (16, 14456960), (20, 11565568), (28, 8261120), (32, 7228480), (35, 6608896), (40, 5782784), (49, 4720640), (56, 4130560), (64, 3614240), (70, 3304448), (80, 2891392), (98, 2360320), (112, 2065280), (128, 1807120), (140, 1652224), (160, 1445696), (196, 1180160), (224, 1032640), (245, 944128), (256, 903560), (280, 826112), (320, 722848), (392, 590080), (448, 516320), (461, 501760), (490, 472064), (512, 451780), (560, 413056), (640, 361424), (784, 295040), (896, 258160), (922, 250880), (980, 236032), (1024, 225890), (1120, 206528), (1280, 180712), (1568, 147520), (1792, 129080), (1844, 125440), (1960, 118016), (2048, 112945), (2240, 103264), (2305, 100352), (2560, 90356), (3136, 73760), (3227, 71680), (3584, 64540), (3688, 62720), (3920, 59008), (4480, 51632), (4610, 50176), (5120, 45178), (6272, 36880), (6454, 35840), (7168, 32270), (7376, 31360), (7840, 29504), (8960, 25816), (9220, 25088), (10240, 22589), (12544, 18440), (12908, 17920), (14336, 16135), (14752, 15680)]