68442920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18803}}^1$

素因数の和:18834

約数の個数: 64

約数和(自身を含む): 189544320

約数和(自身を除く): 121101400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 18803, 37606, 75212, 94015, 131621, 150424, 188030, 244439, 263242, 376060, 488878, 526484, 658105, 752120, 977756, 1052968, 1222195, 1316210, 1711073, 1955512, 2444390, 2632420, 3422146, 4888780, 5264840, 6844292, 8555365, 9777560, 13688584, 17110730, 34221460, 68442920]

約数ペア:

[(1, 68442920), (2, 34221460), (4, 17110730), (5, 13688584), (7, 9777560), (8, 8555365), (10, 6844292), (13, 5264840), (14, 4888780), (20, 3422146), (26, 2632420), (28, 2444390), (35, 1955512), (40, 1711073), (52, 1316210), (56, 1222195), (65, 1052968), (70, 977756), (91, 752120), (104, 658105), (130, 526484), (140, 488878), (182, 376060), (260, 263242), (280, 244439), (364, 188030), (455, 150424), (520, 131621), (728, 94015), (910, 75212), (1820, 37606), (3640, 18803)]