239111680

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 160

約数和(自身を含む): 622245888

約数和(自身を除く): 383134208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 131, 155, 160, 184, 230, 248, 256, 262, 310, 320, 368, 460, 496, 512, 524, 620, 640, 655, 713, 736, 920, 992, 1048, 1240, 1280, 1310, 1426, 1472, 1840, 1984, 2096, 2480, 2560, 2620, 2852, 2944, 3013, 3565, 3680, 3968, 4061, 4192, 4960, 5240, 5704, 5888, 6026, 7130, 7360, 7936, 8122, 8384, 9920, 10480, 11408, 11776, 12052, 14260, 14720, 15065, 15872, 16244, 16768, 19840, 20305, 20960, 22816, 24104, 28520, 29440, 30130, 32488, 33536, 39680, 40610, 41920, 45632, 48208, 57040, 58880, 60260, 64976, 67072, 79360, 81220, 83840, 91264, 93403, 96416, 114080, 120520, 129952, 162440, 167680, 182528, 186806, 192832, 228160, 241040, 259904, 324880, 335360, 365056, 373612, 385664, 456320, 467015, 482080, 519808, 649760, 747224, 771328, 912640, 934030, 964160, 1039616, 1299520, 1494448, 1542656, 1825280, 1868060, 1928320, 2079232, 2599040, 2988896, 3736120, 3856640, 5198080, 5977792, 7472240, 7713280, 10396160, 11955584, 14944480, 23911168, 29888960, 47822336, 59777920, 119555840, 239111680]

約数ペア:

[(1, 239111680), (2, 119555840), (4, 59777920), (5, 47822336), (8, 29888960), (10, 23911168), (16, 14944480), (20, 11955584), (23, 10396160), (31, 7713280), (32, 7472240), (40, 5977792), (46, 5198080), (62, 3856640), (64, 3736120), (80, 2988896), (92, 2599040), (115, 2079232), (124, 1928320), (128, 1868060), (131, 1825280), (155, 1542656), (160, 1494448), (184, 1299520), (230, 1039616), (248, 964160), (256, 934030), (262, 912640), (310, 771328), (320, 747224), (368, 649760), (460, 519808), (496, 482080), (512, 467015), (524, 456320), (620, 385664), (640, 373612), (655, 365056), (713, 335360), (736, 324880), (920, 259904), (992, 241040), (1048, 228160), (1240, 192832), (1280, 186806), (1310, 182528), (1426, 167680), (1472, 162440), (1840, 129952), (1984, 120520), (2096, 114080), (2480, 96416), (2560, 93403), (2620, 91264), (2852, 83840), (2944, 81220), (3013, 79360), (3565, 67072), (3680, 64976), (3968, 60260), (4061, 58880), (4192, 57040), (4960, 48208), (5240, 45632), (5704, 41920), (5888, 40610), (6026, 39680), (7130, 33536), (7360, 32488), (7936, 30130), (8122, 29440), (8384, 28520), (9920, 24104), (10480, 22816), (11408, 20960), (11776, 20305), (12052, 19840), (14260, 16768), (14720, 16244), (15065, 15872)]