164395280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1801}}^1$

素因数の和:1984

約数の個数: 80

約数和(自身を含む): 439745664

約数和(自身を除く): 275350384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 560, 652, 815, 1141, 1304, 1630, 1801, 2282, 2608, 3260, 3602, 4564, 5705, 6520, 7204, 9005, 9128, 11410, 12607, 13040, 14408, 18010, 18256, 22820, 25214, 28816, 36020, 45640, 50428, 63035, 72040, 91280, 100856, 126070, 144080, 201712, 252140, 293563, 504280, 587126, 1008560, 1174252, 1467815, 2054941, 2348504, 2935630, 4109882, 4697008, 5871260, 8219764, 10274705, 11742520, 16439528, 20549410, 23485040, 32879056, 41098820, 82197640, 164395280]

約数ペア:

[(1, 164395280), (2, 82197640), (4, 41098820), (5, 32879056), (7, 23485040), (8, 20549410), (10, 16439528), (14, 11742520), (16, 10274705), (20, 8219764), (28, 5871260), (35, 4697008), (40, 4109882), (56, 2935630), (70, 2348504), (80, 2054941), (112, 1467815), (140, 1174252), (163, 1008560), (280, 587126), (326, 504280), (560, 293563), (652, 252140), (815, 201712), (1141, 144080), (1304, 126070), (1630, 100856), (1801, 91280), (2282, 72040), (2608, 63035), (3260, 50428), (3602, 45640), (4564, 36020), (5705, 28816), (6520, 25214), (7204, 22820), (9005, 18256), (9128, 18010), (11410, 14408), (12607, 13040)]