491955840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:631

約数の個数: 192

約数和(自身を含む): 1710858240

約数和(自身を除く): 1218902400

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, 223, 240, 288, 320, 360, 383, 384, 446, 480, 576, 640, 669, 720, 766, 892, 960, 1115, 1149, 1152, 1338, 1440, 1532, 1784, 1915, 1920, 2007, 2230, 2298, 2676, 2880, 3064, 3345, 3447, 3568, 3830, 4014, 4460, 4596, 5352, 5745, 5760, 6128, 6690, 6894, 7136, 7660, 8028, 8920, 9192, 10035, 10704, 11490, 12256, 13380, 13788, 14272, 15320, 16056, 17235, 17840, 18384, 20070, 21408, 22980, 24512, 26760, 27576, 28544, 30640, 32112, 34470, 35680, 36768, 40140, 42816, 45960, 49024, 53520, 55152, 61280, 64224, 68940, 71360, 73536, 80280, 85409, 85632, 91920, 107040, 110304, 122560, 128448, 137880, 142720, 147072, 160560, 170818, 183840, 214080, 220608, 245120, 256227, 256896, 275760, 321120, 341636, 367680, 427045, 428160, 441216, 512454, 551520, 642240, 683272, 735360, 768681, 854090, 1024908, 1103040, 1281135, 1284480, 1366544, 1537362, 1708180, 2049816, 2206080, 2562270, 2733088, 3074724, 3416360, 3843405, 4099632, 5124540, 5466176, 6149448, 6832720, 7686810, 8199264, 10249080, 10932352, 12298896, 13665440, 15373620, 16398528, 20498160, 24597792, 27330880, 30747240, 32797056, 40996320, 49195584, 54661760, 61494480, 81992640, 98391168, 122988960, 163985280, 245977920, 491955840]

約数ペア:

[(1, 491955840), (2, 245977920), (3, 163985280), (4, 122988960), (5, 98391168), (6, 81992640), (8, 61494480), (9, 54661760), (10, 49195584), (12, 40996320), (15, 32797056), (16, 30747240), (18, 27330880), (20, 24597792), (24, 20498160), (30, 16398528), (32, 15373620), (36, 13665440), (40, 12298896), (45, 10932352), (48, 10249080), (60, 8199264), (64, 7686810), (72, 6832720), (80, 6149448), (90, 5466176), (96, 5124540), (120, 4099632), (128, 3843405), (144, 3416360), (160, 3074724), (180, 2733088), (192, 2562270), (223, 2206080), (240, 2049816), (288, 1708180), (320, 1537362), (360, 1366544), (383, 1284480), (384, 1281135), (446, 1103040), (480, 1024908), (576, 854090), (640, 768681), (669, 735360), (720, 683272), (766, 642240), (892, 551520), (960, 512454), (1115, 441216), (1149, 428160), (1152, 427045), (1338, 367680), (1440, 341636), (1532, 321120), (1784, 275760), (1915, 256896), (1920, 256227), (2007, 245120), (2230, 220608), (2298, 214080), (2676, 183840), (2880, 170818), (3064, 160560), (3345, 147072), (3447, 142720), (3568, 137880), (3830, 128448), (4014, 122560), (4460, 110304), (4596, 107040), (5352, 91920), (5745, 85632), (5760, 85409), (6128, 80280), (6690, 73536), (6894, 71360), (7136, 68940), (7660, 64224), (8028, 61280), (8920, 55152), (9192, 53520), (10035, 49024), (10704, 45960), (11490, 42816), (12256, 40140), (13380, 36768), (13788, 35680), (14272, 34470), (15320, 32112), (16056, 30640), (17235, 28544), (17840, 27576), (18384, 26760), (20070, 24512), (21408, 22980)]