216884480

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 556295040

約数和(自身を除く): 339410560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 53, 64, 80, 92, 106, 115, 128, 139, 160, 184, 212, 230, 256, 265, 278, 320, 368, 424, 460, 530, 556, 640, 695, 736, 848, 920, 1060, 1112, 1219, 1280, 1390, 1472, 1696, 1840, 2120, 2224, 2438, 2780, 2944, 3197, 3392, 3680, 4240, 4448, 4876, 5560, 5888, 6095, 6394, 6784, 7360, 7367, 8480, 8896, 9752, 11120, 12190, 12788, 13568, 14720, 14734, 15985, 16960, 17792, 19504, 22240, 24380, 25576, 29440, 29468, 31970, 33920, 35584, 36835, 39008, 44480, 48760, 51152, 58936, 63940, 67840, 73670, 78016, 88960, 97520, 102304, 117872, 127880, 147340, 156032, 169441, 177920, 195040, 204608, 235744, 255760, 294680, 312064, 338882, 390080, 409216, 471488, 511520, 589360, 677764, 780160, 818432, 847205, 942976, 1023040, 1178720, 1355528, 1560320, 1694410, 1885952, 2046080, 2357440, 2711056, 3388820, 4092160, 4714880, 5422112, 6777640, 9429760, 10844224, 13555280, 21688448, 27110560, 43376896, 54221120, 108442240, 216884480]

約数ペア:

[(1, 216884480), (2, 108442240), (4, 54221120), (5, 43376896), (8, 27110560), (10, 21688448), (16, 13555280), (20, 10844224), (23, 9429760), (32, 6777640), (40, 5422112), (46, 4714880), (53, 4092160), (64, 3388820), (80, 2711056), (92, 2357440), (106, 2046080), (115, 1885952), (128, 1694410), (139, 1560320), (160, 1355528), (184, 1178720), (212, 1023040), (230, 942976), (256, 847205), (265, 818432), (278, 780160), (320, 677764), (368, 589360), (424, 511520), (460, 471488), (530, 409216), (556, 390080), (640, 338882), (695, 312064), (736, 294680), (848, 255760), (920, 235744), (1060, 204608), (1112, 195040), (1219, 177920), (1280, 169441), (1390, 156032), (1472, 147340), (1696, 127880), (1840, 117872), (2120, 102304), (2224, 97520), (2438, 88960), (2780, 78016), (2944, 73670), (3197, 67840), (3392, 63940), (3680, 58936), (4240, 51152), (4448, 48760), (4876, 44480), (5560, 39008), (5888, 36835), (6095, 35584), (6394, 33920), (6784, 31970), (7360, 29468), (7367, 29440), (8480, 25576), (8896, 24380), (9752, 22240), (11120, 19504), (12190, 17792), (12788, 16960), (13568, 15985), (14720, 14734)]