531489920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:662

約数の個数: 128

約数和(自身を含む): 1381847040

約数和(自身を除く): 850357120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 254, 260, 320, 416, 503, 508, 520, 635, 640, 832, 1006, 1016, 1040, 1270, 1651, 1664, 2012, 2032, 2080, 2515, 2540, 3302, 4024, 4064, 4160, 5030, 5080, 6539, 6604, 8048, 8128, 8255, 8320, 10060, 10160, 13078, 13208, 16096, 16256, 16510, 20120, 20320, 26156, 26416, 32192, 32695, 33020, 40240, 40640, 52312, 52832, 63881, 64384, 65390, 66040, 80480, 81280, 104624, 105664, 127762, 130780, 132080, 160960, 209248, 211328, 255524, 261560, 264160, 319405, 321920, 418496, 511048, 523120, 528320, 638810, 830453, 836992, 1022096, 1046240, 1056640, 1277620, 1660906, 2044192, 2092480, 2555240, 3321812, 4088384, 4152265, 4184960, 5110480, 6643624, 8176768, 8304530, 10220960, 13287248, 16609060, 20441920, 26574496, 33218120, 40883840, 53148992, 66436240, 106297984, 132872480, 265744960, 531489920]

約数ペア:

[(1, 531489920), (2, 265744960), (4, 132872480), (5, 106297984), (8, 66436240), (10, 53148992), (13, 40883840), (16, 33218120), (20, 26574496), (26, 20441920), (32, 16609060), (40, 13287248), (52, 10220960), (64, 8304530), (65, 8176768), (80, 6643624), (104, 5110480), (127, 4184960), (128, 4152265), (130, 4088384), (160, 3321812), (208, 2555240), (254, 2092480), (260, 2044192), (320, 1660906), (416, 1277620), (503, 1056640), (508, 1046240), (520, 1022096), (635, 836992), (640, 830453), (832, 638810), (1006, 528320), (1016, 523120), (1040, 511048), (1270, 418496), (1651, 321920), (1664, 319405), (2012, 264160), (2032, 261560), (2080, 255524), (2515, 211328), (2540, 209248), (3302, 160960), (4024, 132080), (4064, 130780), (4160, 127762), (5030, 105664), (5080, 104624), (6539, 81280), (6604, 80480), (8048, 66040), (8128, 65390), (8255, 64384), (8320, 63881), (10060, 52832), (10160, 52312), (13078, 40640), (13208, 40240), (16096, 33020), (16256, 32695), (16510, 32192), (20120, 26416), (20320, 26156)]