155387680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{138739}}^1$

素因数の和:138761

約数の個数: 48

約数和(自身を含む): 419549760

約数和(自身を除く): 264162080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 138739, 277478, 554956, 693695, 971173, 1109912, 1387390, 1942346, 2219824, 2774780, 3884692, 4439648, 4855865, 5549560, 7769384, 9711730, 11099120, 15538768, 19423460, 22198240, 31077536, 38846920, 77693840, 155387680]

約数ペア:

[(1, 155387680), (2, 77693840), (4, 38846920), (5, 31077536), (7, 22198240), (8, 19423460), (10, 15538768), (14, 11099120), (16, 9711730), (20, 7769384), (28, 5549560), (32, 4855865), (35, 4439648), (40, 3884692), (56, 2774780), (70, 2219824), (80, 1942346), (112, 1387390), (140, 1109912), (160, 971173), (224, 693695), (280, 554956), (560, 277478), (1120, 138739)]