199461120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 643614720

約数和(自身を除く): 444153600

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, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 409, 480, 508, 635, 640, 762, 768, 818, 960, 1016, 1227, 1270, 1280, 1524, 1636, 1905, 1920, 2032, 2045, 2454, 2540, 3048, 3272, 3810, 3840, 4064, 4090, 4908, 5080, 6096, 6135, 6544, 7620, 8128, 8180, 9816, 10160, 12192, 12270, 13088, 15240, 16256, 16360, 19632, 20320, 24384, 24540, 26176, 30480, 32512, 32720, 39264, 40640, 48768, 49080, 51943, 52352, 60960, 65440, 78528, 81280, 97536, 98160, 103886, 104704, 121920, 130880, 155829, 157056, 162560, 196320, 207772, 243840, 259715, 261760, 311658, 314112, 392640, 415544, 487680, 519430, 523520, 623316, 779145, 785280, 831088, 1038860, 1246632, 1558290, 1570560, 1662176, 2077720, 2493264, 3116580, 3324352, 4155440, 4986528, 6233160, 6648704, 8310880, 9973056, 12466320, 13297408, 16621760, 19946112, 24932640, 33243520, 39892224, 49865280, 66487040, 99730560, 199461120]

約数ペア:

[(1, 199461120), (2, 99730560), (3, 66487040), (4, 49865280), (5, 39892224), (6, 33243520), (8, 24932640), (10, 19946112), (12, 16621760), (15, 13297408), (16, 12466320), (20, 9973056), (24, 8310880), (30, 6648704), (32, 6233160), (40, 4986528), (48, 4155440), (60, 3324352), (64, 3116580), (80, 2493264), (96, 2077720), (120, 1662176), (127, 1570560), (128, 1558290), (160, 1246632), (192, 1038860), (240, 831088), (254, 785280), (256, 779145), (320, 623316), (381, 523520), (384, 519430), (409, 487680), (480, 415544), (508, 392640), (635, 314112), (640, 311658), (762, 261760), (768, 259715), (818, 243840), (960, 207772), (1016, 196320), (1227, 162560), (1270, 157056), (1280, 155829), (1524, 130880), (1636, 121920), (1905, 104704), (1920, 103886), (2032, 98160), (2045, 97536), (2454, 81280), (2540, 78528), (3048, 65440), (3272, 60960), (3810, 52352), (3840, 51943), (4064, 49080), (4090, 48768), (4908, 40640), (5080, 39264), (6096, 32720), (6135, 32512), (6544, 30480), (7620, 26176), (8128, 24540), (8180, 24384), (9816, 20320), (10160, 19632), (12192, 16360), (12270, 16256), (13088, 15240)]