720822075

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 1257423984

約数和(自身を除く): 536601909

約数列:

[1, 3, 5, 15, 25, 31, 73, 75, 93, 137, 155, 219, 365, 411, 465, 685, 775, 961, 1095, 1825, 2055, 2263, 2325, 2883, 3425, 4247, 4805, 5475, 6789, 10001, 10275, 11315, 12741, 14415, 21235, 24025, 30003, 33945, 50005, 56575, 63705, 70153, 72075, 106175, 131657, 150015, 169725, 210459, 250025, 310031, 318525, 350765, 394971, 658285, 750075, 930093, 1052295, 1550155, 1753825, 1974855, 3291425, 4650465, 5261475, 7750775, 9610961, 9874275, 23252325, 28832883, 48054805, 144164415, 240274025, 720822075]

約数ペア:

[(1, 720822075), (3, 240274025), (5, 144164415), (15, 48054805), (25, 28832883), (31, 23252325), (73, 9874275), (75, 9610961), (93, 7750775), (137, 5261475), (155, 4650465), (219, 3291425), (365, 1974855), (411, 1753825), (465, 1550155), (685, 1052295), (775, 930093), (961, 750075), (1095, 658285), (1825, 394971), (2055, 350765), (2263, 318525), (2325, 310031), (2883, 250025), (3425, 210459), (4247, 169725), (4805, 150015), (5475, 131657), (6789, 106175), (10001, 72075), (10275, 70153), (11315, 63705), (12741, 56575), (14415, 50005), (21235, 33945), (24025, 30003)]