2154288640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{503}}^1$

素因数の和:772

約数の個数: 160

約数和(自身を含む): 5939619840

約数和(自身を除く): 3785331200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 239, 256, 280, 320, 448, 478, 503, 512, 560, 640, 896, 956, 1006, 1120, 1195, 1280, 1673, 1792, 1912, 2012, 2240, 2390, 2515, 2560, 3346, 3521, 3584, 3824, 4024, 4480, 4780, 5030, 6692, 7042, 7648, 8048, 8365, 8960, 9560, 10060, 13384, 14084, 15296, 16096, 16730, 17605, 17920, 19120, 20120, 26768, 28168, 30592, 32192, 33460, 35210, 38240, 40240, 53536, 56336, 61184, 64384, 66920, 70420, 76480, 80480, 107072, 112672, 120217, 122368, 128768, 133840, 140840, 152960, 160960, 214144, 225344, 240434, 257536, 267680, 281680, 305920, 321920, 428288, 450688, 480868, 535360, 563360, 601085, 611840, 643840, 841519, 856576, 901376, 961736, 1070720, 1126720, 1202170, 1287680, 1683038, 1802752, 1923472, 2141440, 2253440, 2404340, 3366076, 3846944, 4207595, 4282880, 4506880, 4808680, 6732152, 7693888, 8415190, 9013760, 9617360, 13464304, 15387776, 16830380, 19234720, 26928608, 30775552, 33660760, 38469440, 53857216, 61551104, 67321520, 76938880, 107714432, 134643040, 153877760, 215428864, 269286080, 307755520, 430857728, 538572160, 1077144320, 2154288640]

約数ペア:

[(1, 2154288640), (2, 1077144320), (4, 538572160), (5, 430857728), (7, 307755520), (8, 269286080), (10, 215428864), (14, 153877760), (16, 134643040), (20, 107714432), (28, 76938880), (32, 67321520), (35, 61551104), (40, 53857216), (56, 38469440), (64, 33660760), (70, 30775552), (80, 26928608), (112, 19234720), (128, 16830380), (140, 15387776), (160, 13464304), (224, 9617360), (239, 9013760), (256, 8415190), (280, 7693888), (320, 6732152), (448, 4808680), (478, 4506880), (503, 4282880), (512, 4207595), (560, 3846944), (640, 3366076), (896, 2404340), (956, 2253440), (1006, 2141440), (1120, 1923472), (1195, 1802752), (1280, 1683038), (1673, 1287680), (1792, 1202170), (1912, 1126720), (2012, 1070720), (2240, 961736), (2390, 901376), (2515, 856576), (2560, 841519), (3346, 643840), (3521, 611840), (3584, 601085), (3824, 563360), (4024, 535360), (4480, 480868), (4780, 450688), (5030, 428288), (6692, 321920), (7042, 305920), (7648, 281680), (8048, 267680), (8365, 257536), (8960, 240434), (9560, 225344), (10060, 214144), (13384, 160960), (14084, 152960), (15296, 140840), (16096, 133840), (16730, 128768), (17605, 122368), (17920, 120217), (19120, 112672), (20120, 107072), (26768, 80480), (28168, 76480), (30592, 70420), (32192, 66920), (33460, 64384), (35210, 61184), (38240, 56336), (40240, 53536)]