326157040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19507}}^1$

素因数の和:19550

約数の個数: 80

約数和(自身を含む): 870837120

約数和(自身を除く): 544680080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 19507, 39014, 78028, 97535, 156056, 195070, 214577, 312112, 370633, 390140, 429154, 741266, 780280, 858308, 1072885, 1482532, 1560560, 1716616, 1853165, 2145770, 2965064, 3433232, 3706330, 4076963, 4291540, 5930128, 7412660, 8153926, 8583080, 14825320, 16307852, 17166160, 20384815, 29650640, 32615704, 40769630, 65231408, 81539260, 163078520, 326157040]

約数ペア:

[(1, 326157040), (2, 163078520), (4, 81539260), (5, 65231408), (8, 40769630), (10, 32615704), (11, 29650640), (16, 20384815), (19, 17166160), (20, 16307852), (22, 14825320), (38, 8583080), (40, 8153926), (44, 7412660), (55, 5930128), (76, 4291540), (80, 4076963), (88, 3706330), (95, 3433232), (110, 2965064), (152, 2145770), (176, 1853165), (190, 1716616), (209, 1560560), (220, 1482532), (304, 1072885), (380, 858308), (418, 780280), (440, 741266), (760, 429154), (836, 390140), (880, 370633), (1045, 312112), (1520, 214577), (1672, 195070), (2090, 156056), (3344, 97535), (4180, 78028), (8360, 39014), (16720, 19507)]