55728120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{66343}}^1$

素因数の和:66364

約数の個数: 64

約数和(自身を含む): 191070720

約数和(自身を除く): 135342600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 66343, 132686, 199029, 265372, 331715, 398058, 464401, 530744, 663430, 796116, 928802, 995145, 1326860, 1393203, 1592232, 1857604, 1990290, 2322005, 2653720, 2786406, 3715208, 3980580, 4644010, 5572812, 6966015, 7961160, 9288020, 11145624, 13932030, 18576040, 27864060, 55728120]

約数ペア:

[(1, 55728120), (2, 27864060), (3, 18576040), (4, 13932030), (5, 11145624), (6, 9288020), (7, 7961160), (8, 6966015), (10, 5572812), (12, 4644010), (14, 3980580), (15, 3715208), (20, 2786406), (21, 2653720), (24, 2322005), (28, 1990290), (30, 1857604), (35, 1592232), (40, 1393203), (42, 1326860), (56, 995145), (60, 928802), (70, 796116), (84, 663430), (105, 530744), (120, 464401), (140, 398058), (168, 331715), (210, 265372), (280, 199029), (420, 132686), (840, 66343)]