128412375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 271724544

約数和(自身を除く): 143312169

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 53, 65, 71, 75, 91, 105, 125, 159, 175, 195, 213, 265, 273, 325, 355, 371, 375, 455, 497, 525, 689, 795, 875, 923, 975, 1065, 1113, 1325, 1365, 1491, 1625, 1775, 1855, 2067, 2275, 2485, 2625, 2769, 3445, 3763, 3975, 4615, 4823, 4875, 5325, 5565, 6461, 6625, 6825, 7455, 8875, 9275, 10335, 11289, 11375, 12425, 13845, 14469, 17225, 18815, 19383, 19875, 23075, 24115, 26341, 26625, 27825, 32305, 34125, 37275, 46375, 48919, 51675, 56445, 62125, 69225, 72345, 79023, 86125, 94075, 96915, 115375, 120575, 131705, 139125, 146757, 161525, 186375, 244595, 258375, 282225, 342433, 346125, 361725, 395115, 470375, 484575, 602875, 658525, 733785, 807625, 1027299, 1222975, 1411125, 1712165, 1808625, 1975575, 2422875, 3292625, 3668925, 5136495, 6114875, 8560825, 9877875, 18344625, 25682475, 42804125, 128412375]

約数ペア:

[(1, 128412375), (3, 42804125), (5, 25682475), (7, 18344625), (13, 9877875), (15, 8560825), (21, 6114875), (25, 5136495), (35, 3668925), (39, 3292625), (53, 2422875), (65, 1975575), (71, 1808625), (75, 1712165), (91, 1411125), (105, 1222975), (125, 1027299), (159, 807625), (175, 733785), (195, 658525), (213, 602875), (265, 484575), (273, 470375), (325, 395115), (355, 361725), (371, 346125), (375, 342433), (455, 282225), (497, 258375), (525, 244595), (689, 186375), (795, 161525), (875, 146757), (923, 139125), (975, 131705), (1065, 120575), (1113, 115375), (1325, 96915), (1365, 94075), (1491, 86125), (1625, 79023), (1775, 72345), (1855, 69225), (2067, 62125), (2275, 56445), (2485, 51675), (2625, 48919), (2769, 46375), (3445, 37275), (3763, 34125), (3975, 32305), (4615, 27825), (4823, 26625), (4875, 26341), (5325, 24115), (5565, 23075), (6461, 19875), (6625, 19383), (6825, 18815), (7455, 17225), (8875, 14469), (9275, 13845), (10335, 12425), (11289, 11375)]