204470820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21433}}^1$

素因数の和:21501

約数の個数: 72

約数和(自身を含む): 631960056

約数和(自身を除く): 427489236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 21433, 42866, 64299, 85732, 107165, 128598, 192897, 214330, 257196, 321495, 385794, 428660, 642990, 771588, 964485, 1135949, 1285980, 1928970, 2271898, 3407847, 3857940, 4543796, 5679745, 6815694, 10223541, 11359490, 13631388, 17039235, 20447082, 22718980, 34078470, 40894164, 51117705, 68156940, 102235410, 204470820]

約数ペア:

[(1, 204470820), (2, 102235410), (3, 68156940), (4, 51117705), (5, 40894164), (6, 34078470), (9, 22718980), (10, 20447082), (12, 17039235), (15, 13631388), (18, 11359490), (20, 10223541), (30, 6815694), (36, 5679745), (45, 4543796), (53, 3857940), (60, 3407847), (90, 2271898), (106, 1928970), (159, 1285980), (180, 1135949), (212, 964485), (265, 771588), (318, 642990), (477, 428660), (530, 385794), (636, 321495), (795, 257196), (954, 214330), (1060, 192897), (1590, 128598), (1908, 107165), (2385, 85732), (3180, 64299), (4770, 42866), (9540, 21433)]