1081280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 56

約数和(自身を含む): 2682240

約数和(自身を除く): 1600960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 109, 124, 155, 160, 218, 248, 310, 320, 436, 496, 545, 620, 872, 992, 1090, 1240, 1744, 1984, 2180, 2480, 3379, 3488, 4360, 4960, 6758, 6976, 8720, 9920, 13516, 16895, 17440, 27032, 33790, 34880, 54064, 67580, 108128, 135160, 216256, 270320, 540640, 1081280]

約数ペア:

[(1, 1081280), (2, 540640), (4, 270320), (5, 216256), (8, 135160), (10, 108128), (16, 67580), (20, 54064), (31, 34880), (32, 33790), (40, 27032), (62, 17440), (64, 16895), (80, 13516), (109, 9920), (124, 8720), (155, 6976), (160, 6758), (218, 4960), (248, 4360), (310, 3488), (320, 3379), (436, 2480), (496, 2180), (545, 1984), (620, 1744), (872, 1240), (992, 1090)]