64761560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{70393}}^1$

素因数の和:70427

約数の個数: 32

約数和(自身を含む): 152051040

約数和(自身を除く): 87289480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 70393, 140786, 281572, 351965, 563144, 703930, 1407860, 1619039, 2815720, 3238078, 6476156, 8095195, 12952312, 16190390, 32380780, 64761560]

約数ペア:

[(1, 64761560), (2, 32380780), (4, 16190390), (5, 12952312), (8, 8095195), (10, 6476156), (20, 3238078), (23, 2815720), (40, 1619039), (46, 1407860), (92, 703930), (115, 563144), (184, 351965), (230, 281572), (460, 140786), (920, 70393)]