80210340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63659}}^1$

素因数の和:63681

約数の個数: 72

約数和(自身を含む): 278066880

約数和(自身を除く): 197856540

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, 63659, 127318, 190977, 254636, 318295, 381954, 445613, 572931, 636590, 763908, 891226, 954885, 1145862, 1273180, 1336839, 1782452, 1909770, 2228065, 2291724, 2673678, 2864655, 3819540, 4010517, 4456130, 5347356, 5729310, 6684195, 8021034, 8912260, 11458620, 13368390, 16042068, 20052585, 26736780, 40105170, 80210340]

約数ペア:

[(1, 80210340), (2, 40105170), (3, 26736780), (4, 20052585), (5, 16042068), (6, 13368390), (7, 11458620), (9, 8912260), (10, 8021034), (12, 6684195), (14, 5729310), (15, 5347356), (18, 4456130), (20, 4010517), (21, 3819540), (28, 2864655), (30, 2673678), (35, 2291724), (36, 2228065), (42, 1909770), (45, 1782452), (60, 1336839), (63, 1273180), (70, 1145862), (84, 954885), (90, 891226), (105, 763908), (126, 636590), (140, 572931), (180, 445613), (210, 381954), (252, 318295), (315, 254636), (420, 190977), (630, 127318), (1260, 63659)]