80432640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{3491}}^1$

素因数の和:3520

約数の個数: 120

約数和(自身を含む): 278640648

約数和(自身を除く): 198208008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3491, 3840, 4608, 5760, 6982, 7680, 10473, 11520, 13964, 17455, 20946, 23040, 27928, 31419, 34910, 41892, 52365, 55856, 62838, 69820, 83784, 104730, 111712, 125676, 139640, 157095, 167568, 209460, 223424, 251352, 279280, 314190, 335136, 418920, 446848, 502704, 558560, 628380, 670272, 837840, 893696, 1005408, 1117120, 1256760, 1340544, 1675680, 1787392, 2010816, 2234240, 2513520, 2681088, 3351360, 4021632, 4468480, 5027040, 5362176, 6702720, 8043264, 8936960, 10054080, 13405440, 16086528, 20108160, 26810880, 40216320, 80432640]

約数ペア:

[(1, 80432640), (2, 40216320), (3, 26810880), (4, 20108160), (5, 16086528), (6, 13405440), (8, 10054080), (9, 8936960), (10, 8043264), (12, 6702720), (15, 5362176), (16, 5027040), (18, 4468480), (20, 4021632), (24, 3351360), (30, 2681088), (32, 2513520), (36, 2234240), (40, 2010816), (45, 1787392), (48, 1675680), (60, 1340544), (64, 1256760), (72, 1117120), (80, 1005408), (90, 893696), (96, 837840), (120, 670272), (128, 628380), (144, 558560), (160, 502704), (180, 446848), (192, 418920), (240, 335136), (256, 314190), (288, 279280), (320, 251352), (360, 223424), (384, 209460), (480, 167568), (512, 157095), (576, 139640), (640, 125676), (720, 111712), (768, 104730), (960, 83784), (1152, 69820), (1280, 62838), (1440, 55856), (1536, 52365), (1920, 41892), (2304, 34910), (2560, 31419), (2880, 27928), (3491, 23040), (3840, 20946), (4608, 17455), (5760, 13964), (6982, 11520), (7680, 10473)]