240497460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{190871}}^1$

素因数の和:190893

約数の個数: 72

約数和(自身を含む): 833728896

約数和(自身を除く): 593231436

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 190871, 381742, 572613, 763484, 954355, 1145226, 1336097, 1717839, 1908710, 2290452, 2672194, 2863065, 3435678, 3817420, 4008291, 5344388, 5726130, 6680485, 6871356, 8016582, 8589195, 11452260, 12024873, 13360970, 16033164, 17178390, 20041455, 24049746, 26721940, 34356780, 40082910, 48099492, 60124365, 80165820, 120248730, 240497460]

約数ペア:

[(1, 240497460), (2, 120248730), (3, 80165820), (4, 60124365), (5, 48099492), (6, 40082910), (7, 34356780), (9, 26721940), (10, 24049746), (12, 20041455), (14, 17178390), (15, 16033164), (18, 13360970), (20, 12024873), (21, 11452260), (28, 8589195), (30, 8016582), (35, 6871356), (36, 6680485), (42, 5726130), (45, 5344388), (60, 4008291), (63, 3817420), (70, 3435678), (84, 2863065), (90, 2672194), (105, 2290452), (126, 1908710), (140, 1717839), (180, 1336097), (210, 1145226), (252, 954355), (315, 763484), (420, 572613), (630, 381742), (1260, 190871)]