19975956480

素因数分解:

$2^{11}\times 3^3\times 5^1\times {\mathrm{72251}}^1$

素因数の和:72287

約数の個数: 192

約数和(自身を含む): 71009265600

約数和(自身を除く): 51033309120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2048, 2160, 2304, 2560, 2880, 3072, 3456, 3840, 4320, 4608, 5120, 5760, 6144, 6912, 7680, 8640, 9216, 10240, 11520, 13824, 15360, 17280, 18432, 23040, 27648, 30720, 34560, 46080, 55296, 69120, 72251, 92160, 138240, 144502, 216753, 276480, 289004, 361255, 433506, 578008, 650259, 722510, 867012, 1083765, 1156016, 1300518, 1445020, 1734024, 1950777, 2167530, 2312032, 2601036, 2890040, 3251295, 3468048, 3901554, 4335060, 4624064, 5202072, 5780080, 6502590, 6936096, 7803108, 8670120, 9248128, 9753885, 10404144, 11560160, 13005180, 13872192, 15606216, 17340240, 18496256, 19507770, 20808288, 23120320, 26010360, 27744384, 31212432, 34680480, 36992512, 39015540, 41616576, 46240640, 52020720, 55488768, 62424864, 69360960, 73985024, 78031080, 83233152, 92481280, 104041440, 110977536, 124849728, 138721920, 147970048, 156062160, 166466304, 184962560, 208082880, 221955072, 249699456, 277443840, 312124320, 332932608, 369925120, 416165760, 443910144, 499398912, 554887680, 624248640, 665865216, 739850240, 832331520, 998797824, 1109775360, 1248497280, 1331730432, 1664663040, 1997595648, 2219550720, 2496994560, 3329326080, 3995191296, 4993989120, 6658652160, 9987978240, 19975956480]

約数ペア:

[(1, 19975956480), (2, 9987978240), (3, 6658652160), (4, 4993989120), (5, 3995191296), (6, 3329326080), (8, 2496994560), (9, 2219550720), (10, 1997595648), (12, 1664663040), (15, 1331730432), (16, 1248497280), (18, 1109775360), (20, 998797824), (24, 832331520), (27, 739850240), (30, 665865216), (32, 624248640), (36, 554887680), (40, 499398912), (45, 443910144), (48, 416165760), (54, 369925120), (60, 332932608), (64, 312124320), (72, 277443840), (80, 249699456), (90, 221955072), (96, 208082880), (108, 184962560), (120, 166466304), (128, 156062160), (135, 147970048), (144, 138721920), (160, 124849728), (180, 110977536), (192, 104041440), (216, 92481280), (240, 83233152), (256, 78031080), (270, 73985024), (288, 69360960), (320, 62424864), (360, 55488768), (384, 52020720), (432, 46240640), (480, 41616576), (512, 39015540), (540, 36992512), (576, 34680480), (640, 31212432), (720, 27744384), (768, 26010360), (864, 23120320), (960, 20808288), (1024, 19507770), (1080, 18496256), (1152, 17340240), (1280, 15606216), (1440, 13872192), (1536, 13005180), (1728, 11560160), (1920, 10404144), (2048, 9753885), (2160, 9248128), (2304, 8670120), (2560, 7803108), (2880, 6936096), (3072, 6502590), (3456, 5780080), (3840, 5202072), (4320, 4624064), (4608, 4335060), (5120, 3901554), (5760, 3468048), (6144, 3251295), (6912, 2890040), (7680, 2601036), (8640, 2312032), (9216, 2167530), (10240, 1950777), (11520, 1734024), (13824, 1445020), (15360, 1300518), (17280, 1156016), (18432, 1083765), (23040, 867012), (27648, 722510), (30720, 650259), (34560, 578008), (46080, 433506), (55296, 361255), (69120, 289004), (72251, 276480), (92160, 216753), (138240, 144502)]