68345355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 127370880

約数和(自身を除く): 59025525

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 53, 65, 85, 159, 195, 221, 255, 265, 389, 663, 689, 795, 901, 1105, 1167, 1945, 2067, 2703, 3315, 3445, 4505, 5057, 5835, 6613, 10335, 11713, 13515, 15171, 19839, 20617, 25285, 33065, 35139, 58565, 61851, 75855, 85969, 99195, 103085, 175695, 257907, 268021, 309255, 350489, 429845, 804063, 1051467, 1289535, 1340105, 1752445, 4020315, 4556357, 5257335, 13669071, 22781785, 68345355]

約数ペア:

[(1, 68345355), (3, 22781785), (5, 13669071), (13, 5257335), (15, 4556357), (17, 4020315), (39, 1752445), (51, 1340105), (53, 1289535), (65, 1051467), (85, 804063), (159, 429845), (195, 350489), (221, 309255), (255, 268021), (265, 257907), (389, 175695), (663, 103085), (689, 99195), (795, 85969), (901, 75855), (1105, 61851), (1167, 58565), (1945, 35139), (2067, 33065), (2703, 25285), (3315, 20617), (3445, 19839), (4505, 15171), (5057, 13515), (5835, 11713), (6613, 10335)]