729340280

素因数分解:

$2^3\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{15361}}^1$

素因数の和:16559

約数の個数: 32

約数和(自身を含む): 1642505040

約数和(自身を除く): 913164760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1187, 2374, 4748, 5935, 9496, 11870, 15361, 23740, 30722, 47480, 61444, 76805, 122888, 153610, 307220, 614440, 18233507, 36467014, 72934028, 91167535, 145868056, 182335070, 364670140, 729340280]

約数ペア:

[(1, 729340280), (2, 364670140), (4, 182335070), (5, 145868056), (8, 91167535), (10, 72934028), (20, 36467014), (40, 18233507), (1187, 614440), (2374, 307220), (4748, 153610), (5935, 122888), (9496, 76805), (11870, 61444), (15361, 47480), (23740, 30722)]