89400180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{20411}}^1$

素因数の和:20496

約数の個数: 48

約数和(自身を含む): 253761984

約数和(自身を除く): 164361804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 20411, 40822, 61233, 81644, 102055, 122466, 204110, 244932, 306165, 408220, 612330, 1224660, 1490003, 2980006, 4470009, 5960012, 7450015, 8940018, 14900030, 17880036, 22350045, 29800060, 44700090, 89400180]

約数ペア:

[(1, 89400180), (2, 44700090), (3, 29800060), (4, 22350045), (5, 17880036), (6, 14900030), (10, 8940018), (12, 7450015), (15, 5960012), (20, 4470009), (30, 2980006), (60, 1490003), (73, 1224660), (146, 612330), (219, 408220), (292, 306165), (365, 244932), (438, 204110), (730, 122466), (876, 102055), (1095, 81644), (1460, 61233), (2190, 40822), (4380, 20411)]