217767680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 587200320

約数和(自身を除く): 369432640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 256, 260, 299, 320, 368, 416, 460, 520, 569, 598, 640, 736, 832, 920, 1040, 1138, 1196, 1280, 1472, 1495, 1664, 1840, 2080, 2276, 2392, 2845, 2944, 2990, 3328, 3680, 4160, 4552, 4784, 5690, 5888, 5980, 7360, 7397, 8320, 9104, 9568, 11380, 11960, 13087, 14720, 14794, 16640, 18208, 19136, 22760, 23920, 26174, 29440, 29588, 36416, 36985, 38272, 45520, 47840, 52348, 59176, 65435, 72832, 73970, 76544, 91040, 95680, 104696, 118352, 130870, 145664, 147940, 170131, 182080, 191360, 209392, 236704, 261740, 295880, 340262, 364160, 382720, 418784, 473408, 523480, 591760, 680524, 728320, 837568, 850655, 946816, 1046960, 1183520, 1361048, 1675136, 1701310, 1893632, 2093920, 2367040, 2722096, 3350272, 3402620, 4187840, 4734080, 5444192, 6805240, 8375680, 9468160, 10888384, 13610480, 16751360, 21776768, 27220960, 43553536, 54441920, 108883840, 217767680]

約数ペア:

[(1, 217767680), (2, 108883840), (4, 54441920), (5, 43553536), (8, 27220960), (10, 21776768), (13, 16751360), (16, 13610480), (20, 10888384), (23, 9468160), (26, 8375680), (32, 6805240), (40, 5444192), (46, 4734080), (52, 4187840), (64, 3402620), (65, 3350272), (80, 2722096), (92, 2367040), (104, 2093920), (115, 1893632), (128, 1701310), (130, 1675136), (160, 1361048), (184, 1183520), (208, 1046960), (230, 946816), (256, 850655), (260, 837568), (299, 728320), (320, 680524), (368, 591760), (416, 523480), (460, 473408), (520, 418784), (569, 382720), (598, 364160), (640, 340262), (736, 295880), (832, 261740), (920, 236704), (1040, 209392), (1138, 191360), (1196, 182080), (1280, 170131), (1472, 147940), (1495, 145664), (1664, 130870), (1840, 118352), (2080, 104696), (2276, 95680), (2392, 91040), (2845, 76544), (2944, 73970), (2990, 72832), (3328, 65435), (3680, 59176), (4160, 52348), (4552, 47840), (4784, 45520), (5690, 38272), (5888, 36985), (5980, 36416), (7360, 29588), (7397, 29440), (8320, 26174), (9104, 23920), (9568, 22760), (11380, 19136), (11960, 18208), (13087, 16640), (14720, 14794)]