78428325

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 135794880

約数和(自身を除く): 57366555

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 107, 145, 321, 337, 435, 535, 725, 1011, 1605, 1685, 2175, 2675, 3103, 5055, 8025, 8425, 9309, 9773, 15515, 25275, 29319, 36059, 46545, 48865, 77575, 108177, 146595, 180295, 232725, 244325, 540885, 732975, 901475, 1045711, 2704425, 3137133, 5228555, 15685665, 26142775, 78428325]

約数ペア:

[(1, 78428325), (3, 26142775), (5, 15685665), (15, 5228555), (25, 3137133), (29, 2704425), (75, 1045711), (87, 901475), (107, 732975), (145, 540885), (321, 244325), (337, 232725), (435, 180295), (535, 146595), (725, 108177), (1011, 77575), (1605, 48865), (1685, 46545), (2175, 36059), (2675, 29319), (3103, 25275), (5055, 15515), (8025, 9773), (8425, 9309)]