71912960

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{4013}}^1$

素因数の和:4043

約数の個数: 80

約数和(自身を含む): 197103456

約数和(自身を除く): 125190496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4013, 4480, 8026, 8960, 16052, 17920, 20065, 28091, 32104, 40130, 56182, 64208, 80260, 112364, 128416, 140455, 160520, 224728, 256832, 280910, 321040, 449456, 513664, 561820, 642080, 898912, 1027328, 1123640, 1284160, 1797824, 2054656, 2247280, 2568320, 3595648, 4494560, 5136640, 7191296, 8989120, 10273280, 14382592, 17978240, 35956480, 71912960]

約数ペア:

[(1, 71912960), (2, 35956480), (4, 17978240), (5, 14382592), (7, 10273280), (8, 8989120), (10, 7191296), (14, 5136640), (16, 4494560), (20, 3595648), (28, 2568320), (32, 2247280), (35, 2054656), (40, 1797824), (56, 1284160), (64, 1123640), (70, 1027328), (80, 898912), (112, 642080), (128, 561820), (140, 513664), (160, 449456), (224, 321040), (256, 280910), (280, 256832), (320, 224728), (448, 160520), (512, 140455), (560, 128416), (640, 112364), (896, 80260), (1120, 64208), (1280, 56182), (1792, 40130), (2240, 32104), (2560, 28091), (3584, 20065), (4013, 17920), (4480, 16052), (8026, 8960)]