513608320

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 1269043200

約数和(自身を除く): 755434880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 89, 127, 128, 142, 160, 178, 254, 284, 320, 355, 356, 445, 508, 568, 635, 640, 710, 712, 890, 1016, 1136, 1270, 1420, 1424, 1780, 2032, 2272, 2540, 2840, 2848, 3560, 4064, 4544, 5080, 5680, 5696, 6319, 7120, 8128, 9017, 9088, 10160, 11303, 11360, 11392, 12638, 14240, 16256, 18034, 20320, 22606, 22720, 25276, 28480, 31595, 36068, 40640, 45085, 45212, 45440, 50552, 56515, 56960, 63190, 72136, 81280, 90170, 90424, 101104, 113030, 126380, 144272, 180340, 180848, 202208, 226060, 252760, 288544, 360680, 361696, 404416, 452120, 505520, 577088, 721360, 723392, 802513, 808832, 904240, 1011040, 1154176, 1442720, 1446784, 1605026, 1808480, 2022080, 2885440, 3210052, 3616960, 4012565, 4044160, 5770880, 6420104, 7233920, 8025130, 12840208, 16050260, 25680416, 32100520, 51360832, 64201040, 102721664, 128402080, 256804160, 513608320]

約数ペア:

[(1, 513608320), (2, 256804160), (4, 128402080), (5, 102721664), (8, 64201040), (10, 51360832), (16, 32100520), (20, 25680416), (32, 16050260), (40, 12840208), (64, 8025130), (71, 7233920), (80, 6420104), (89, 5770880), (127, 4044160), (128, 4012565), (142, 3616960), (160, 3210052), (178, 2885440), (254, 2022080), (284, 1808480), (320, 1605026), (355, 1446784), (356, 1442720), (445, 1154176), (508, 1011040), (568, 904240), (635, 808832), (640, 802513), (710, 723392), (712, 721360), (890, 577088), (1016, 505520), (1136, 452120), (1270, 404416), (1420, 361696), (1424, 360680), (1780, 288544), (2032, 252760), (2272, 226060), (2540, 202208), (2840, 180848), (2848, 180340), (3560, 144272), (4064, 126380), (4544, 113030), (5080, 101104), (5680, 90424), (5696, 90170), (6319, 81280), (7120, 72136), (8128, 63190), (9017, 56960), (9088, 56515), (10160, 50552), (11303, 45440), (11360, 45212), (11392, 45085), (12638, 40640), (14240, 36068), (16256, 31595), (18034, 28480), (20320, 25276), (22606, 22720)]