17979120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{24971}}^1$

素因数の和:24990

約数の個数: 60

約数和(自身を含む): 60382296

約数和(自身を除く): 42403176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 24971, 49942, 74913, 99884, 124855, 149826, 199768, 224739, 249710, 299652, 374565, 399536, 449478, 499420, 599304, 749130, 898956, 998840, 1123695, 1198608, 1498260, 1797912, 1997680, 2247390, 2996520, 3595824, 4494780, 5993040, 8989560, 17979120]

約数ペア:

[(1, 17979120), (2, 8989560), (3, 5993040), (4, 4494780), (5, 3595824), (6, 2996520), (8, 2247390), (9, 1997680), (10, 1797912), (12, 1498260), (15, 1198608), (16, 1123695), (18, 998840), (20, 898956), (24, 749130), (30, 599304), (36, 499420), (40, 449478), (45, 399536), (48, 374565), (60, 299652), (72, 249710), (80, 224739), (90, 199768), (120, 149826), (144, 124855), (180, 99884), (240, 74913), (360, 49942), (720, 24971)]