164689920

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{1787}}^1$

素因数の和:1820

約数の個数: 144

約数和(自身を含む): 571105080

約数和(自身を除く): 406415160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1787, 1920, 2048, 2304, 2560, 2880, 3072, 3574, 3840, 4608, 5120, 5361, 5760, 6144, 7148, 7680, 8935, 9216, 10240, 10722, 11520, 14296, 15360, 16083, 17870, 18432, 21444, 23040, 26805, 28592, 30720, 32166, 35740, 42888, 46080, 53610, 57184, 64332, 71480, 80415, 85776, 92160, 107220, 114368, 128664, 142960, 160830, 171552, 214440, 228736, 257328, 285920, 321660, 343104, 428880, 457472, 514656, 571840, 643320, 686208, 857760, 914944, 1029312, 1143680, 1286640, 1372416, 1715520, 1829888, 2058624, 2287360, 2573280, 2744832, 3431040, 3659776, 4117248, 4574720, 5146560, 5489664, 6862080, 8234496, 9149440, 10293120, 10979328, 13724160, 16468992, 18298880, 20586240, 27448320, 32937984, 41172480, 54896640, 82344960, 164689920]

約数ペア:

[(1, 164689920), (2, 82344960), (3, 54896640), (4, 41172480), (5, 32937984), (6, 27448320), (8, 20586240), (9, 18298880), (10, 16468992), (12, 13724160), (15, 10979328), (16, 10293120), (18, 9149440), (20, 8234496), (24, 6862080), (30, 5489664), (32, 5146560), (36, 4574720), (40, 4117248), (45, 3659776), (48, 3431040), (60, 2744832), (64, 2573280), (72, 2287360), (80, 2058624), (90, 1829888), (96, 1715520), (120, 1372416), (128, 1286640), (144, 1143680), (160, 1029312), (180, 914944), (192, 857760), (240, 686208), (256, 643320), (288, 571840), (320, 514656), (360, 457472), (384, 428880), (480, 343104), (512, 321660), (576, 285920), (640, 257328), (720, 228736), (768, 214440), (960, 171552), (1024, 160830), (1152, 142960), (1280, 128664), (1440, 114368), (1536, 107220), (1787, 92160), (1920, 85776), (2048, 80415), (2304, 71480), (2560, 64332), (2880, 57184), (3072, 53610), (3574, 46080), (3840, 42888), (4608, 35740), (5120, 32166), (5361, 30720), (5760, 28592), (6144, 26805), (7148, 23040), (7680, 21444), (8935, 18432), (9216, 17870), (10240, 16083), (10722, 15360), (11520, 14296)]