19811243880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{7159}}^1\times {\mathrm{7687}}^1$

素因数の和:14863

約数の個数: 96

約数和(自身を含む): 64403913600

約数和(自身を除く): 44592669720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 7159, 7687, 14318, 15374, 21477, 23061, 28636, 30748, 35795, 38435, 42954, 46122, 57272, 61496, 64431, 69183, 71590, 76870, 85908, 92244, 107385, 115305, 128862, 138366, 143180, 153740, 171816, 184488, 214770, 230610, 257724, 276732, 286360, 307480, 322155, 345915, 429540, 461220, 515448, 553464, 644310, 691830, 859080, 922440, 1288620, 1383660, 2577240, 2767320, 55031233, 110062466, 165093699, 220124932, 275156165, 330187398, 440249864, 495281097, 550312330, 660374796, 825468495, 990562194, 1100624660, 1320749592, 1650936990, 1981124388, 2201249320, 2476405485, 3301873980, 3962248776, 4952810970, 6603747960, 9905621940, 19811243880]

約数ペア:

[(1, 19811243880), (2, 9905621940), (3, 6603747960), (4, 4952810970), (5, 3962248776), (6, 3301873980), (8, 2476405485), (9, 2201249320), (10, 1981124388), (12, 1650936990), (15, 1320749592), (18, 1100624660), (20, 990562194), (24, 825468495), (30, 660374796), (36, 550312330), (40, 495281097), (45, 440249864), (60, 330187398), (72, 275156165), (90, 220124932), (120, 165093699), (180, 110062466), (360, 55031233), (7159, 2767320), (7687, 2577240), (14318, 1383660), (15374, 1288620), (21477, 922440), (23061, 859080), (28636, 691830), (30748, 644310), (35795, 553464), (38435, 515448), (42954, 461220), (46122, 429540), (57272, 345915), (61496, 322155), (64431, 307480), (69183, 286360), (71590, 276732), (76870, 257724), (85908, 230610), (92244, 214770), (107385, 184488), (115305, 171816), (128862, 153740), (138366, 143180)]