254997120

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{18973}}^1$

素因数の和:19002

約数の個数: 128

約数和(自身を含む): 928967040

約数和(自身を除く): 673969920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 18973, 37946, 56919, 75892, 94865, 113838, 132811, 151784, 189730, 227676, 265622, 284595, 303568, 379460, 398433, 455352, 531244, 569190, 607136, 664055, 758920, 796866, 910704, 1062488, 1138380, 1214272, 1328110, 1517840, 1593732, 1821408, 1992165, 2124976, 2276760, 2428544, 2656220, 3035680, 3187464, 3642816, 3984330, 4249952, 4553520, 5312440, 6071360, 6374928, 7285632, 7968660, 8499904, 9107040, 10624880, 12142720, 12749856, 15937320, 16999808, 18214080, 21249760, 25499712, 31874640, 36428160, 42499520, 50999424, 63749280, 84999040, 127498560, 254997120]

約数ペア:

[(1, 254997120), (2, 127498560), (3, 84999040), (4, 63749280), (5, 50999424), (6, 42499520), (7, 36428160), (8, 31874640), (10, 25499712), (12, 21249760), (14, 18214080), (15, 16999808), (16, 15937320), (20, 12749856), (21, 12142720), (24, 10624880), (28, 9107040), (30, 8499904), (32, 7968660), (35, 7285632), (40, 6374928), (42, 6071360), (48, 5312440), (56, 4553520), (60, 4249952), (64, 3984330), (70, 3642816), (80, 3187464), (84, 3035680), (96, 2656220), (105, 2428544), (112, 2276760), (120, 2124976), (128, 1992165), (140, 1821408), (160, 1593732), (168, 1517840), (192, 1328110), (210, 1214272), (224, 1138380), (240, 1062488), (280, 910704), (320, 796866), (336, 758920), (384, 664055), (420, 607136), (448, 569190), (480, 531244), (560, 455352), (640, 398433), (672, 379460), (840, 303568), (896, 284595), (960, 265622), (1120, 227676), (1344, 189730), (1680, 151784), (1920, 132811), (2240, 113838), (2688, 94865), (3360, 75892), (4480, 56919), (6720, 37946), (13440, 18973)]