640323504

素因数分解:

$2^4\times 3^2\times {\mathrm{241}}^1\times {\mathrm{18451}}^1$

素因数の和:18706

約数の個数: 60

約数和(自身を含む): 1799549752

約数和(自身を除く): 1159226248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 241, 482, 723, 964, 1446, 1928, 2169, 2892, 3856, 4338, 5784, 8676, 11568, 17352, 18451, 34704, 36902, 55353, 73804, 110706, 147608, 166059, 221412, 295216, 332118, 442824, 664236, 885648, 1328472, 2656944, 4446691, 8893382, 13340073, 17786764, 26680146, 35573528, 40020219, 53360292, 71147056, 80040438, 106720584, 160080876, 213441168, 320161752, 640323504]

約数ペア:

[(1, 640323504), (2, 320161752), (3, 213441168), (4, 160080876), (6, 106720584), (8, 80040438), (9, 71147056), (12, 53360292), (16, 40020219), (18, 35573528), (24, 26680146), (36, 17786764), (48, 13340073), (72, 8893382), (144, 4446691), (241, 2656944), (482, 1328472), (723, 885648), (964, 664236), (1446, 442824), (1928, 332118), (2169, 295216), (2892, 221412), (3856, 166059), (4338, 147608), (5784, 110706), (8676, 73804), (11568, 55353), (17352, 36902), (18451, 34704)]