1287973040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{7457}}^1$

素因数の和:7614

約数の個数: 80

約数和(自身を含む): 3196081152

約数和(自身を除く): 1908108112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 170, 254, 272, 340, 508, 635, 680, 1016, 1270, 1360, 2032, 2159, 2540, 4318, 5080, 7457, 8636, 10160, 10795, 14914, 17272, 21590, 29828, 34544, 37285, 43180, 59656, 74570, 86360, 119312, 126769, 149140, 172720, 253538, 298280, 507076, 596560, 633845, 947039, 1014152, 1267690, 1894078, 2028304, 2535380, 3788156, 4735195, 5070760, 7576312, 9470390, 10141520, 15152624, 16099663, 18940780, 32199326, 37881560, 64398652, 75763120, 80498315, 128797304, 160996630, 257594608, 321993260, 643986520, 1287973040]

約数ペア:

[(1, 1287973040), (2, 643986520), (4, 321993260), (5, 257594608), (8, 160996630), (10, 128797304), (16, 80498315), (17, 75763120), (20, 64398652), (34, 37881560), (40, 32199326), (68, 18940780), (80, 16099663), (85, 15152624), (127, 10141520), (136, 9470390), (170, 7576312), (254, 5070760), (272, 4735195), (340, 3788156), (508, 2535380), (635, 2028304), (680, 1894078), (1016, 1267690), (1270, 1014152), (1360, 947039), (2032, 633845), (2159, 596560), (2540, 507076), (4318, 298280), (5080, 253538), (7457, 172720), (8636, 149140), (10160, 126769), (10795, 119312), (14914, 86360), (17272, 74570), (21590, 59656), (29828, 43180), (34544, 37285)]