168396540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{215893}}^1$

素因数の和:215918

約数の個数: 48

約数和(自身を含む): 507782688

約数和(自身を除く): 339386148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 215893, 431786, 647679, 863572, 1079465, 1295358, 2158930, 2590716, 2806609, 3238395, 4317860, 5613218, 6476790, 8419827, 11226436, 12953580, 14033045, 16839654, 28066090, 33679308, 42099135, 56132180, 84198270, 168396540]

約数ペア:

[(1, 168396540), (2, 84198270), (3, 56132180), (4, 42099135), (5, 33679308), (6, 28066090), (10, 16839654), (12, 14033045), (13, 12953580), (15, 11226436), (20, 8419827), (26, 6476790), (30, 5613218), (39, 4317860), (52, 3238395), (60, 2806609), (65, 2590716), (78, 2158930), (130, 1295358), (156, 1079465), (195, 863572), (260, 647679), (390, 431786), (780, 215893)]