405738240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:854

約数の個数: 144

約数和(自身を含む): 1306017888

約数和(自身を除く): 900279648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 157, 160, 192, 240, 256, 314, 320, 384, 471, 480, 628, 640, 673, 768, 785, 942, 960, 1256, 1280, 1346, 1570, 1884, 1920, 2019, 2355, 2512, 2692, 3140, 3365, 3768, 3840, 4038, 4710, 5024, 5384, 6280, 6730, 7536, 8076, 9420, 10048, 10095, 10768, 12560, 13460, 15072, 16152, 18840, 20096, 20190, 21536, 25120, 26920, 30144, 32304, 37680, 40192, 40380, 43072, 50240, 53840, 60288, 64608, 75360, 80760, 86144, 100480, 105661, 107680, 120576, 129216, 150720, 161520, 172288, 200960, 211322, 215360, 258432, 301440, 316983, 323040, 422644, 430720, 516864, 528305, 602880, 633966, 646080, 845288, 861440, 1056610, 1267932, 1292160, 1584915, 1690576, 2113220, 2535864, 2584320, 3169830, 3381152, 4226440, 5071728, 6339660, 6762304, 8452880, 10143456, 12679320, 13524608, 16905760, 20286912, 25358640, 27049216, 33811520, 40573824, 50717280, 67623040, 81147648, 101434560, 135246080, 202869120, 405738240]

約数ペア:

[(1, 405738240), (2, 202869120), (3, 135246080), (4, 101434560), (5, 81147648), (6, 67623040), (8, 50717280), (10, 40573824), (12, 33811520), (15, 27049216), (16, 25358640), (20, 20286912), (24, 16905760), (30, 13524608), (32, 12679320), (40, 10143456), (48, 8452880), (60, 6762304), (64, 6339660), (80, 5071728), (96, 4226440), (120, 3381152), (128, 3169830), (157, 2584320), (160, 2535864), (192, 2113220), (240, 1690576), (256, 1584915), (314, 1292160), (320, 1267932), (384, 1056610), (471, 861440), (480, 845288), (628, 646080), (640, 633966), (673, 602880), (768, 528305), (785, 516864), (942, 430720), (960, 422644), (1256, 323040), (1280, 316983), (1346, 301440), (1570, 258432), (1884, 215360), (1920, 211322), (2019, 200960), (2355, 172288), (2512, 161520), (2692, 150720), (3140, 129216), (3365, 120576), (3768, 107680), (3840, 105661), (4038, 100480), (4710, 86144), (5024, 80760), (5384, 75360), (6280, 64608), (6730, 60288), (7536, 53840), (8076, 50240), (9420, 43072), (10048, 40380), (10095, 40192), (10768, 37680), (12560, 32304), (13460, 30144), (15072, 26920), (16152, 25120), (18840, 21536), (20096, 20190)]