77266880

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7789}}^1$

素因数の和:7837

約数の個数: 56

約数和(自身を含む): 189951360

約数和(自身を除く): 112684480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 7789, 9920, 15578, 31156, 38945, 62312, 77890, 124624, 155780, 241459, 249248, 311560, 482918, 498496, 623120, 965836, 1207295, 1246240, 1931672, 2414590, 2492480, 3863344, 4829180, 7726688, 9658360, 15453376, 19316720, 38633440, 77266880]

約数ペア:

[(1, 77266880), (2, 38633440), (4, 19316720), (5, 15453376), (8, 9658360), (10, 7726688), (16, 4829180), (20, 3863344), (31, 2492480), (32, 2414590), (40, 1931672), (62, 1246240), (64, 1207295), (80, 965836), (124, 623120), (155, 498496), (160, 482918), (248, 311560), (310, 249248), (320, 241459), (496, 155780), (620, 124624), (992, 77890), (1240, 62312), (1984, 38945), (2480, 31156), (4960, 15578), (7789, 9920)]