210108720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1783}}^1$

素因数の和:2290

約数の個数: 80

約数和(自身を含む): 653029632

約数和(自身を除く): 442920912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 982, 1473, 1783, 1964, 2455, 2946, 3566, 3928, 4910, 5349, 5892, 7132, 7365, 7856, 8915, 9820, 10698, 11784, 14264, 14730, 17830, 19640, 21396, 23568, 26745, 28528, 29460, 35660, 39280, 42792, 53490, 58920, 71320, 85584, 106980, 117840, 142640, 213960, 427920, 875453, 1750906, 2626359, 3501812, 4377265, 5252718, 7003624, 8754530, 10505436, 13131795, 14007248, 17509060, 21010872, 26263590, 35018120, 42021744, 52527180, 70036240, 105054360, 210108720]

約数ペア:

[(1, 210108720), (2, 105054360), (3, 70036240), (4, 52527180), (5, 42021744), (6, 35018120), (8, 26263590), (10, 21010872), (12, 17509060), (15, 14007248), (16, 13131795), (20, 10505436), (24, 8754530), (30, 7003624), (40, 5252718), (48, 4377265), (60, 3501812), (80, 2626359), (120, 1750906), (240, 875453), (491, 427920), (982, 213960), (1473, 142640), (1783, 117840), (1964, 106980), (2455, 85584), (2946, 71320), (3566, 58920), (3928, 53490), (4910, 42792), (5349, 39280), (5892, 35660), (7132, 29460), (7365, 28528), (7856, 26745), (8915, 23568), (9820, 21396), (10698, 19640), (11784, 17830), (14264, 14730)]