51339540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:757

約数の個数: 96

約数和(自身を含む): 165279744

約数和(自身を除く): 113940204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 251, 420, 487, 502, 753, 974, 1004, 1255, 1461, 1506, 1757, 1948, 2435, 2510, 2922, 3012, 3409, 3514, 3765, 4870, 5020, 5271, 5844, 6818, 7028, 7305, 7530, 8785, 9740, 10227, 10542, 13636, 14610, 15060, 17045, 17570, 20454, 21084, 26355, 29220, 34090, 35140, 40908, 51135, 52710, 68180, 102270, 105420, 122237, 204540, 244474, 366711, 488948, 611185, 733422, 855659, 1222370, 1466844, 1711318, 1833555, 2444740, 2566977, 3422636, 3667110, 4278295, 5133954, 7334220, 8556590, 10267908, 12834885, 17113180, 25669770, 51339540]

約数ペア:

[(1, 51339540), (2, 25669770), (3, 17113180), (4, 12834885), (5, 10267908), (6, 8556590), (7, 7334220), (10, 5133954), (12, 4278295), (14, 3667110), (15, 3422636), (20, 2566977), (21, 2444740), (28, 1833555), (30, 1711318), (35, 1466844), (42, 1222370), (60, 855659), (70, 733422), (84, 611185), (105, 488948), (140, 366711), (210, 244474), (251, 204540), (420, 122237), (487, 105420), (502, 102270), (753, 68180), (974, 52710), (1004, 51135), (1255, 40908), (1461, 35140), (1506, 34090), (1757, 29220), (1948, 26355), (2435, 21084), (2510, 20454), (2922, 17570), (3012, 17045), (3409, 15060), (3514, 14610), (3765, 13636), (4870, 10542), (5020, 10227), (5271, 9740), (5844, 8785), (6818, 7530), (7028, 7305)]