130720905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 287539200

約数和(自身を除く): 156818295

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 79, 85, 103, 105, 119, 135, 153, 189, 237, 255, 309, 315, 357, 395, 459, 515, 553, 595, 711, 721, 765, 927, 945, 1071, 1185, 1343, 1545, 1659, 1751, 1785, 2133, 2163, 2295, 2765, 2781, 3213, 3555, 3605, 4029, 4635, 4977, 5253, 5355, 6489, 6715, 8137, 8295, 8755, 9401, 10665, 10815, 12087, 12257, 13905, 14931, 15759, 16065, 19467, 20145, 24411, 24885, 26265, 28203, 32445, 36261, 36771, 40685, 47005, 47277, 56959, 60435, 61285, 73233, 74655, 78795, 84609, 97335, 110313, 122055, 138329, 141015, 170877, 181305, 183855, 219699, 236385, 253827, 284795, 330939, 366165, 414987, 423045, 512631, 551565, 691645, 854385, 968303, 1098495, 1244961, 1269135, 1537893, 1654695, 2074935, 2563155, 2904909, 3734883, 4841515, 6224805, 7689465, 8714727, 14524545, 18674415, 26144181, 43573635, 130720905]

約数ペア:

[(1, 130720905), (3, 43573635), (5, 26144181), (7, 18674415), (9, 14524545), (15, 8714727), (17, 7689465), (21, 6224805), (27, 4841515), (35, 3734883), (45, 2904909), (51, 2563155), (63, 2074935), (79, 1654695), (85, 1537893), (103, 1269135), (105, 1244961), (119, 1098495), (135, 968303), (153, 854385), (189, 691645), (237, 551565), (255, 512631), (309, 423045), (315, 414987), (357, 366165), (395, 330939), (459, 284795), (515, 253827), (553, 236385), (595, 219699), (711, 183855), (721, 181305), (765, 170877), (927, 141015), (945, 138329), (1071, 122055), (1185, 110313), (1343, 97335), (1545, 84609), (1659, 78795), (1751, 74655), (1785, 73233), (2133, 61285), (2163, 60435), (2295, 56959), (2765, 47277), (2781, 47005), (3213, 40685), (3555, 36771), (3605, 36261), (4029, 32445), (4635, 28203), (4977, 26265), (5253, 24885), (5355, 24411), (6489, 20145), (6715, 19467), (8137, 16065), (8295, 15759), (8755, 14931), (9401, 13905), (10665, 12257), (10815, 12087)]