217469640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2801}}^1$

素因数の和:3462

約数の個数: 64

約数和(自身を含む): 653650560

約数和(自身を除く): 436180920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647, 1294, 1941, 2588, 2801, 3235, 3882, 5176, 5602, 6470, 7764, 8403, 9705, 11204, 12940, 14005, 15528, 16806, 19410, 22408, 25880, 28010, 33612, 38820, 42015, 56020, 67224, 77640, 84030, 112040, 168060, 336120, 1812247, 3624494, 5436741, 7248988, 9061235, 10873482, 14497976, 18122470, 21746964, 27183705, 36244940, 43493928, 54367410, 72489880, 108734820, 217469640]

約数ペア:

[(1, 217469640), (2, 108734820), (3, 72489880), (4, 54367410), (5, 43493928), (6, 36244940), (8, 27183705), (10, 21746964), (12, 18122470), (15, 14497976), (20, 10873482), (24, 9061235), (30, 7248988), (40, 5436741), (60, 3624494), (120, 1812247), (647, 336120), (1294, 168060), (1941, 112040), (2588, 84030), (2801, 77640), (3235, 67224), (3882, 56020), (5176, 42015), (5602, 38820), (6470, 33612), (7764, 28010), (8403, 25880), (9705, 22408), (11204, 19410), (12940, 16806), (14005, 15528)]