642008160

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{421}}^1$

素因数の和:798

約数の個数: 192

約数和(自身を含む): 2258746560

約数和(自身を除く): 1616738400

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, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 353, 360, 421, 432, 480, 540, 706, 720, 842, 864, 1059, 1080, 1263, 1412, 1440, 1684, 1765, 2105, 2118, 2160, 2526, 2824, 3177, 3368, 3530, 3789, 4210, 4236, 4320, 5052, 5295, 5648, 6315, 6354, 6736, 7060, 7578, 8420, 8472, 9531, 10104, 10590, 11296, 11367, 12630, 12708, 13472, 14120, 15156, 15885, 16840, 16944, 18945, 19062, 20208, 21180, 22734, 25260, 25416, 28240, 30312, 31770, 33680, 33888, 37890, 38124, 40416, 42360, 45468, 47655, 50520, 50832, 56480, 56835, 60624, 63540, 67360, 75780, 76248, 84720, 90936, 95310, 101040, 101664, 113670, 121248, 127080, 148613, 151560, 152496, 169440, 181872, 190620, 202080, 227340, 254160, 297226, 303120, 304992, 363744, 381240, 445839, 454680, 508320, 594452, 606240, 743065, 762480, 891678, 909360, 1188904, 1337517, 1486130, 1524960, 1783356, 1818720, 2229195, 2377808, 2675034, 2972260, 3566712, 4012551, 4458390, 4755616, 5350068, 5944520, 6687585, 7133424, 8025102, 8916780, 10700136, 11889040, 13375170, 14266848, 16050204, 17833560, 20062755, 21400272, 23778080, 26750340, 32100408, 35667120, 40125510, 42800544, 53500680, 64200816, 71334240, 80251020, 107001360, 128401632, 160502040, 214002720, 321004080, 642008160]

約数ペア:

[(1, 642008160), (2, 321004080), (3, 214002720), (4, 160502040), (5, 128401632), (6, 107001360), (8, 80251020), (9, 71334240), (10, 64200816), (12, 53500680), (15, 42800544), (16, 40125510), (18, 35667120), (20, 32100408), (24, 26750340), (27, 23778080), (30, 21400272), (32, 20062755), (36, 17833560), (40, 16050204), (45, 14266848), (48, 13375170), (54, 11889040), (60, 10700136), (72, 8916780), (80, 8025102), (90, 7133424), (96, 6687585), (108, 5944520), (120, 5350068), (135, 4755616), (144, 4458390), (160, 4012551), (180, 3566712), (216, 2972260), (240, 2675034), (270, 2377808), (288, 2229195), (353, 1818720), (360, 1783356), (421, 1524960), (432, 1486130), (480, 1337517), (540, 1188904), (706, 909360), (720, 891678), (842, 762480), (864, 743065), (1059, 606240), (1080, 594452), (1263, 508320), (1412, 454680), (1440, 445839), (1684, 381240), (1765, 363744), (2105, 304992), (2118, 303120), (2160, 297226), (2526, 254160), (2824, 227340), (3177, 202080), (3368, 190620), (3530, 181872), (3789, 169440), (4210, 152496), (4236, 151560), (4320, 148613), (5052, 127080), (5295, 121248), (5648, 113670), (6315, 101664), (6354, 101040), (6736, 95310), (7060, 90936), (7578, 84720), (8420, 76248), (8472, 75780), (9531, 67360), (10104, 63540), (10590, 60624), (11296, 56835), (11367, 56480), (12630, 50832), (12708, 50520), (13472, 47655), (14120, 45468), (15156, 42360), (15885, 40416), (16840, 38124), (16944, 37890), (18945, 33888), (19062, 33680), (20208, 31770), (21180, 30312), (22734, 28240), (25260, 25416)]