51245820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16747}}^1$

素因数の和:16779

約数の個数: 72

約数和(自身を含む): 164599344

約数和(自身を除く): 113353524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 16747, 33494, 50241, 66988, 83735, 100482, 150723, 167470, 200964, 251205, 284699, 301446, 334940, 502410, 569398, 602892, 753615, 854097, 1004820, 1138796, 1423495, 1507230, 1708194, 2562291, 2846990, 3014460, 3416388, 4270485, 5124582, 5693980, 8540970, 10249164, 12811455, 17081940, 25622910, 51245820]

約数ペア:

[(1, 51245820), (2, 25622910), (3, 17081940), (4, 12811455), (5, 10249164), (6, 8540970), (9, 5693980), (10, 5124582), (12, 4270485), (15, 3416388), (17, 3014460), (18, 2846990), (20, 2562291), (30, 1708194), (34, 1507230), (36, 1423495), (45, 1138796), (51, 1004820), (60, 854097), (68, 753615), (85, 602892), (90, 569398), (102, 502410), (153, 334940), (170, 301446), (180, 284699), (204, 251205), (255, 200964), (306, 167470), (340, 150723), (510, 100482), (612, 83735), (765, 66988), (1020, 50241), (1530, 33494), (3060, 16747)]