64705920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{503}}^1$

素因数の和:592

約数の個数: 128

約数和(自身を含む): 209744640

約数和(自身を除く): 145038720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 268, 320, 335, 384, 402, 480, 503, 536, 640, 670, 804, 960, 1005, 1006, 1072, 1340, 1509, 1608, 1920, 2010, 2012, 2144, 2515, 2680, 3018, 3216, 4020, 4024, 4288, 5030, 5360, 6036, 6432, 7545, 8040, 8048, 8576, 10060, 10720, 12072, 12864, 15090, 16080, 16096, 20120, 21440, 24144, 25728, 30180, 32160, 32192, 33701, 40240, 42880, 48288, 60360, 64320, 64384, 67402, 80480, 96576, 101103, 120720, 128640, 134804, 160960, 168505, 193152, 202206, 241440, 269608, 321920, 337010, 404412, 482880, 505515, 539216, 674020, 808824, 965760, 1011030, 1078432, 1348040, 1617648, 2022060, 2156864, 2696080, 3235296, 4044120, 4313728, 5392160, 6470592, 8088240, 10784320, 12941184, 16176480, 21568640, 32352960, 64705920]

約数ペア:

[(1, 64705920), (2, 32352960), (3, 21568640), (4, 16176480), (5, 12941184), (6, 10784320), (8, 8088240), (10, 6470592), (12, 5392160), (15, 4313728), (16, 4044120), (20, 3235296), (24, 2696080), (30, 2156864), (32, 2022060), (40, 1617648), (48, 1348040), (60, 1078432), (64, 1011030), (67, 965760), (80, 808824), (96, 674020), (120, 539216), (128, 505515), (134, 482880), (160, 404412), (192, 337010), (201, 321920), (240, 269608), (268, 241440), (320, 202206), (335, 193152), (384, 168505), (402, 160960), (480, 134804), (503, 128640), (536, 120720), (640, 101103), (670, 96576), (804, 80480), (960, 67402), (1005, 64384), (1006, 64320), (1072, 60360), (1340, 48288), (1509, 42880), (1608, 40240), (1920, 33701), (2010, 32192), (2012, 32160), (2144, 30180), (2515, 25728), (2680, 24144), (3018, 21440), (3216, 20120), (4020, 16096), (4024, 16080), (4288, 15090), (5030, 12864), (5360, 12072), (6036, 10720), (6432, 10060), (7545, 8576), (8040, 8048)]