172879840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{22051}}^1$

素因数の和:22080

約数の個数: 72

約数和(自身を含む): 475132392

約数和(自身を除く): 302252552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 22051, 44102, 88204, 110255, 154357, 176408, 220510, 308714, 352816, 441020, 617428, 705632, 771785, 882040, 1080499, 1234856, 1543570, 1764080, 2160998, 2469712, 3087140, 3528160, 4321996, 4939424, 5402495, 6174280, 8643992, 10804990, 12348560, 17287984, 21609980, 24697120, 34575968, 43219960, 86439920, 172879840]

約数ペア:

[(1, 172879840), (2, 86439920), (4, 43219960), (5, 34575968), (7, 24697120), (8, 21609980), (10, 17287984), (14, 12348560), (16, 10804990), (20, 8643992), (28, 6174280), (32, 5402495), (35, 4939424), (40, 4321996), (49, 3528160), (56, 3087140), (70, 2469712), (80, 2160998), (98, 1764080), (112, 1543570), (140, 1234856), (160, 1080499), (196, 882040), (224, 771785), (245, 705632), (280, 617428), (392, 441020), (490, 352816), (560, 308714), (784, 220510), (980, 176408), (1120, 154357), (1568, 110255), (1960, 88204), (3920, 44102), (7840, 22051)]