163078520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19507}}^1$

素因数の和:19548

約数の個数: 64

約数和(自身を含む): 421372800

約数和(自身を除く): 258294280

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 19507, 39014, 78028, 97535, 156056, 195070, 214577, 370633, 390140, 429154, 741266, 780280, 858308, 1072885, 1482532, 1716616, 1853165, 2145770, 2965064, 3706330, 4076963, 4291540, 7412660, 8153926, 8583080, 14825320, 16307852, 20384815, 32615704, 40769630, 81539260, 163078520]

約数ペア:

[(1, 163078520), (2, 81539260), (4, 40769630), (5, 32615704), (8, 20384815), (10, 16307852), (11, 14825320), (19, 8583080), (20, 8153926), (22, 7412660), (38, 4291540), (40, 4076963), (44, 3706330), (55, 2965064), (76, 2145770), (88, 1853165), (95, 1716616), (110, 1482532), (152, 1072885), (190, 858308), (209, 780280), (220, 741266), (380, 429154), (418, 390140), (440, 370633), (760, 214577), (836, 195070), (1045, 156056), (1672, 97535), (2090, 78028), (4180, 39014), (8360, 19507)]