154440160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19699}}^1$

素因数の和:19728

約数の個数: 72

約数和(自身を含む): 424456200

約数和(自身を除く): 270016040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 19699, 39398, 78796, 98495, 137893, 157592, 196990, 275786, 315184, 393980, 551572, 630368, 689465, 787960, 965251, 1103144, 1378930, 1575920, 1930502, 2206288, 2757860, 3151840, 3861004, 4412576, 4826255, 5515720, 7722008, 9652510, 11031440, 15444016, 19305020, 22062880, 30888032, 38610040, 77220080, 154440160]

約数ペア:

[(1, 154440160), (2, 77220080), (4, 38610040), (5, 30888032), (7, 22062880), (8, 19305020), (10, 15444016), (14, 11031440), (16, 9652510), (20, 7722008), (28, 5515720), (32, 4826255), (35, 4412576), (40, 3861004), (49, 3151840), (56, 2757860), (70, 2206288), (80, 1930502), (98, 1575920), (112, 1378930), (140, 1103144), (160, 965251), (196, 787960), (224, 689465), (245, 630368), (280, 551572), (392, 393980), (490, 315184), (560, 275786), (784, 196990), (980, 157592), (1120, 137893), (1568, 98495), (1960, 78796), (3920, 39398), (7840, 19699)]