18421013120

素因数分解:

$2^7\times 5^1\times {\mathrm{223}}^1\times {\mathrm{337}}^1\times {\mathrm{383}}^1$

素因数の和:962

約数の個数: 128

約数和(自身を含む): 44482314240

約数和(自身を除く): 26061301120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 320, 337, 383, 446, 640, 674, 766, 892, 1115, 1348, 1532, 1685, 1784, 1915, 2230, 2696, 3064, 3370, 3568, 3830, 4460, 5392, 6128, 6740, 7136, 7660, 8920, 10784, 12256, 13480, 14272, 15320, 17840, 21568, 24512, 26960, 28544, 30640, 35680, 43136, 49024, 53920, 61280, 71360, 75151, 85409, 107840, 122560, 129071, 142720, 150302, 170818, 215680, 245120, 258142, 300604, 341636, 375755, 427045, 516284, 601208, 645355, 683272, 751510, 854090, 1032568, 1202416, 1290710, 1366544, 1503020, 1708180, 2065136, 2404832, 2581420, 2733088, 3006040, 3416360, 4130272, 4809664, 5162840, 5466176, 6012080, 6832720, 8260544, 9619328, 10325680, 10932352, 12024160, 13665440, 16521088, 20651360, 24048320, 27330880, 28782833, 41302720, 48096640, 54661760, 57565666, 82605440, 115131332, 143914165, 230262664, 287828330, 460525328, 575656660, 921050656, 1151313320, 1842101312, 2302626640, 3684202624, 4605253280, 9210506560, 18421013120]

約数ペア:

[(1, 18421013120), (2, 9210506560), (4, 4605253280), (5, 3684202624), (8, 2302626640), (10, 1842101312), (16, 1151313320), (20, 921050656), (32, 575656660), (40, 460525328), (64, 287828330), (80, 230262664), (128, 143914165), (160, 115131332), (223, 82605440), (320, 57565666), (337, 54661760), (383, 48096640), (446, 41302720), (640, 28782833), (674, 27330880), (766, 24048320), (892, 20651360), (1115, 16521088), (1348, 13665440), (1532, 12024160), (1685, 10932352), (1784, 10325680), (1915, 9619328), (2230, 8260544), (2696, 6832720), (3064, 6012080), (3370, 5466176), (3568, 5162840), (3830, 4809664), (4460, 4130272), (5392, 3416360), (6128, 3006040), (6740, 2733088), (7136, 2581420), (7660, 2404832), (8920, 2065136), (10784, 1708180), (12256, 1503020), (13480, 1366544), (14272, 1290710), (15320, 1202416), (17840, 1032568), (21568, 854090), (24512, 751510), (26960, 683272), (28544, 645355), (30640, 601208), (35680, 516284), (43136, 427045), (49024, 375755), (53920, 341636), (61280, 300604), (71360, 258142), (75151, 245120), (85409, 215680), (107840, 170818), (122560, 150302), (129071, 142720)]