71889920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:783

約数の個数: 88

約数和(自身を含む): 181773600

約数和(自身を除く): 109883680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 739, 760, 1024, 1216, 1280, 1478, 1520, 2432, 2560, 2956, 3040, 3695, 4864, 5120, 5912, 6080, 7390, 9728, 11824, 12160, 14041, 14780, 19456, 23648, 24320, 28082, 29560, 47296, 48640, 56164, 59120, 70205, 94592, 97280, 112328, 118240, 140410, 189184, 224656, 236480, 280820, 378368, 449312, 472960, 561640, 756736, 898624, 945920, 1123280, 1797248, 1891840, 2246560, 3594496, 3783680, 4493120, 7188992, 8986240, 14377984, 17972480, 35944960, 71889920]

約数ペア:

[(1, 71889920), (2, 35944960), (4, 17972480), (5, 14377984), (8, 8986240), (10, 7188992), (16, 4493120), (19, 3783680), (20, 3594496), (32, 2246560), (38, 1891840), (40, 1797248), (64, 1123280), (76, 945920), (80, 898624), (95, 756736), (128, 561640), (152, 472960), (160, 449312), (190, 378368), (256, 280820), (304, 236480), (320, 224656), (380, 189184), (512, 140410), (608, 118240), (640, 112328), (739, 97280), (760, 94592), (1024, 70205), (1216, 59120), (1280, 56164), (1478, 48640), (1520, 47296), (2432, 29560), (2560, 28082), (2956, 24320), (3040, 23648), (3695, 19456), (4864, 14780), (5120, 14041), (5912, 12160), (6080, 11824), (7390, 9728)]