720187575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{5279}}^1$

素因数の和:5416

約数の個数: 48

約数和(自身を含む): 1272775680

約数和(自身を除く): 552588105

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 107, 255, 321, 425, 535, 1275, 1605, 1819, 2675, 5279, 5457, 8025, 9095, 15837, 26395, 27285, 45475, 79185, 89743, 131975, 136425, 269229, 395925, 448715, 564853, 1346145, 1694559, 2243575, 2824265, 6730725, 8472795, 9602501, 14121325, 28807503, 42363975, 48012505, 144037515, 240062525, 720187575]

約数ペア:

[(1, 720187575), (3, 240062525), (5, 144037515), (15, 48012505), (17, 42363975), (25, 28807503), (51, 14121325), (75, 9602501), (85, 8472795), (107, 6730725), (255, 2824265), (321, 2243575), (425, 1694559), (535, 1346145), (1275, 564853), (1605, 448715), (1819, 395925), (2675, 269229), (5279, 136425), (5457, 131975), (8025, 89743), (9095, 79185), (15837, 45475), (26395, 27285)]