71572480

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{1997}}^1$

素因数の和:2029

約数の個数: 88

約数和(自身を含む): 196315488

約数和(自身を除く): 124743008

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, 1024, 1120, 1280, 1792, 1997, 2240, 2560, 3584, 3994, 4480, 5120, 7168, 7988, 8960, 9985, 13979, 15976, 17920, 19970, 27958, 31952, 35840, 39940, 55916, 63904, 69895, 79880, 111832, 127808, 139790, 159760, 223664, 255616, 279580, 319520, 447328, 511232, 559160, 639040, 894656, 1022464, 1118320, 1278080, 1789312, 2044928, 2236640, 2556160, 3578624, 4473280, 5112320, 7157248, 8946560, 10224640, 14314496, 17893120, 35786240, 71572480]

約数ペア:

[(1, 71572480), (2, 35786240), (4, 17893120), (5, 14314496), (7, 10224640), (8, 8946560), (10, 7157248), (14, 5112320), (16, 4473280), (20, 3578624), (28, 2556160), (32, 2236640), (35, 2044928), (40, 1789312), (56, 1278080), (64, 1118320), (70, 1022464), (80, 894656), (112, 639040), (128, 559160), (140, 511232), (160, 447328), (224, 319520), (256, 279580), (280, 255616), (320, 223664), (448, 159760), (512, 139790), (560, 127808), (640, 111832), (896, 79880), (1024, 69895), (1120, 63904), (1280, 55916), (1792, 39940), (1997, 35840), (2240, 31952), (2560, 27958), (3584, 19970), (3994, 17920), (4480, 15976), (5120, 13979), (7168, 9985), (7988, 8960)]