123448640

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{7873}}^1$

素因数の和:7904

約数の個数: 84

約数和(自身を含む): 341999316

約数和(自身を除く): 218550676

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 7873, 15680, 15746, 31492, 39365, 55111, 62984, 78730, 110222, 125968, 157460, 220444, 251936, 275555, 314920, 385777, 440888, 503872, 551110, 629840, 771554, 881776, 1102220, 1259680, 1543108, 1763552, 1928885, 2204440, 2519360, 3086216, 3527104, 3857770, 4408880, 6172432, 7715540, 8817760, 12344864, 15431080, 17635520, 24689728, 30862160, 61724320, 123448640]

約数ペア:

[(1, 123448640), (2, 61724320), (4, 30862160), (5, 24689728), (7, 17635520), (8, 15431080), (10, 12344864), (14, 8817760), (16, 7715540), (20, 6172432), (28, 4408880), (32, 3857770), (35, 3527104), (40, 3086216), (49, 2519360), (56, 2204440), (64, 1928885), (70, 1763552), (80, 1543108), (98, 1259680), (112, 1102220), (140, 881776), (160, 771554), (196, 629840), (224, 551110), (245, 503872), (280, 440888), (320, 385777), (392, 314920), (448, 275555), (490, 251936), (560, 220444), (784, 157460), (980, 125968), (1120, 110222), (1568, 78730), (1960, 62984), (2240, 55111), (3136, 39365), (3920, 31492), (7840, 15746), (7873, 15680)]