398922240

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:562

約数の個数: 160

約数和(自身を含む): 1288488960

約数和(自身を除く): 889566720

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, 512, 635, 640, 762, 768, 818, 960, 1016, 1227, 1270, 1280, 1524, 1536, 1636, 1905, 1920, 2032, 2045, 2454, 2540, 2560, 3048, 3272, 3810, 3840, 4064, 4090, 4908, 5080, 6096, 6135, 6544, 7620, 7680, 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, 65024, 65440, 78528, 81280, 97536, 98160, 103886, 104704, 121920, 130880, 155829, 157056, 162560, 195072, 196320, 207772, 209408, 243840, 259715, 261760, 311658, 314112, 325120, 392640, 415544, 487680, 519430, 523520, 623316, 628224, 779145, 785280, 831088, 975360, 1038860, 1047040, 1246632, 1558290, 1570560, 1662176, 2077720, 2493264, 3116580, 3141120, 3324352, 4155440, 4986528, 6233160, 6648704, 8310880, 9973056, 12466320, 13297408, 16621760, 19946112, 24932640, 26594816, 33243520, 39892224, 49865280, 66487040, 79784448, 99730560, 132974080, 199461120, 398922240]

約数ペア:

[(1, 398922240), (2, 199461120), (3, 132974080), (4, 99730560), (5, 79784448), (6, 66487040), (8, 49865280), (10, 39892224), (12, 33243520), (15, 26594816), (16, 24932640), (20, 19946112), (24, 16621760), (30, 13297408), (32, 12466320), (40, 9973056), (48, 8310880), (60, 6648704), (64, 6233160), (80, 4986528), (96, 4155440), (120, 3324352), (127, 3141120), (128, 3116580), (160, 2493264), (192, 2077720), (240, 1662176), (254, 1570560), (256, 1558290), (320, 1246632), (381, 1047040), (384, 1038860), (409, 975360), (480, 831088), (508, 785280), (512, 779145), (635, 628224), (640, 623316), (762, 523520), (768, 519430), (818, 487680), (960, 415544), (1016, 392640), (1227, 325120), (1270, 314112), (1280, 311658), (1524, 261760), (1536, 259715), (1636, 243840), (1905, 209408), (1920, 207772), (2032, 196320), (2045, 195072), (2454, 162560), (2540, 157056), (2560, 155829), (3048, 130880), (3272, 121920), (3810, 104704), (3840, 103886), (4064, 98160), (4090, 97536), (4908, 81280), (5080, 78528), (6096, 65440), (6135, 65024), (6544, 60960), (7620, 52352), (7680, 51943), (8128, 49080), (8180, 48768), (9816, 40640), (10160, 39264), (12192, 32720), (12270, 32512), (13088, 30480), (15240, 26176), (16256, 24540), (16360, 24384), (19632, 20320)]