207788220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{857}}^1$

素因数の和:1324

約数の個数: 96

約数和(自身を含む): 648648000

約数和(自身を除く): 440859780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 449, 540, 857, 898, 1347, 1714, 1796, 2245, 2571, 2694, 3428, 4041, 4285, 4490, 5142, 5388, 6735, 7713, 8082, 8570, 8980, 10284, 12123, 12855, 13470, 15426, 16164, 17140, 20205, 23139, 24246, 25710, 26940, 30852, 38565, 40410, 46278, 48492, 51420, 60615, 77130, 80820, 92556, 115695, 121230, 154260, 231390, 242460, 384793, 462780, 769586, 1154379, 1539172, 1923965, 2308758, 3463137, 3847930, 4617516, 5771895, 6926274, 7695860, 10389411, 11543790, 13852548, 17315685, 20778822, 23087580, 34631370, 41557644, 51947055, 69262740, 103894110, 207788220]

約数ペア:

[(1, 207788220), (2, 103894110), (3, 69262740), (4, 51947055), (5, 41557644), (6, 34631370), (9, 23087580), (10, 20778822), (12, 17315685), (15, 13852548), (18, 11543790), (20, 10389411), (27, 7695860), (30, 6926274), (36, 5771895), (45, 4617516), (54, 3847930), (60, 3463137), (90, 2308758), (108, 1923965), (135, 1539172), (180, 1154379), (270, 769586), (449, 462780), (540, 384793), (857, 242460), (898, 231390), (1347, 154260), (1714, 121230), (1796, 115695), (2245, 92556), (2571, 80820), (2694, 77130), (3428, 60615), (4041, 51420), (4285, 48492), (4490, 46278), (5142, 40410), (5388, 38565), (6735, 30852), (7713, 26940), (8082, 25710), (8570, 24246), (8980, 23139), (10284, 20205), (12123, 17140), (12855, 16164), (13470, 15426)]